Mr. Korir bought a tractor valued at Ksh. 800,00. the value of the tractor is depreciating at 20% p.a (a) Calculate the value of the tractor...

Mr. Korir bought a tractor valued at Ksh. 800,00. the value of the tractor is depreciating at 20% p.a
(a) Calculate the value of the tractor after 4 years.
(b) Find the time it would take for its value to be Ksh. 400,000. give you’re answer correct to 2 decimal
places.
(c) If after 4 years the tractor is sold through a broker who charge 5% commission find the amount received
by Mr. Korir from the sale

---

---

Kavungya answered the question on September 20, 2019 at 06:57

Exams With Marking Schemes

• Grade 1
• Grade 2
• Grade 3
• Grade 4
• Grade 5
• Grade 6
• Grade 7
• Grade 8
• Grade 9
• PP1
• PP2
• Playgroup
• Form 1
• Form 2
• Form 3
• Form 4

Related Questions

---

• Complete the table below giving the values to 2 decimal places. (Solved)
  

  Complete the table below giving the values to 2 decimal places.
  

  Date posted: September 20, 2019 .    Answers (1)

• Three quantities P,Q,and R are such that P varies jointly with Q and the square of R . if P = 900 when... (Solved)
  

  Three quantities P,Q,and R are such that P varies jointly with Q and the square of R . if P = 900 when
  Q = 20 and R = 3
  Find (i) an equation connecting P, Q and R
  (ii) the value of R when Q = 10 and P = 800
  

  Date posted: September 20, 2019 .    Answers (1)

• The sum of the first 14 of an AP is 595. Given that the sum of the first 8 terms of the same AP is... (Solved)
  

  The sum of the first 14 of an AP is 595. Given that the sum of the first 8 terms of the same AP is 220
  Find the
  (i) the first term
  (ii) the common difference.
  

  Date posted: September 20, 2019 .    Answers (1)

• The equation of a circle is x²+y²-25y=-14x+38. Determine the centre and the radius of the circle (Solved)
  

  The equation of a circle is x²+y²-25y=-14x+38. Determine the centre and the radius of the circle

  Date posted: September 20, 2019 .    Answers (1)

• Find the exact area enclosed by the curve y=3x²,the x-axis and the line x=2 and x=4. (Solved)
  

  Find the exact area enclosed by the curve y=3x²,the x-axis and the line x=2 and x=4.

  Date posted: September 20, 2019 .    Answers (1)

• A coffee trader buys two grades of coffee at sh. 80 and sh. 100 per parket . Find the ratio at which she should mix... (Solved)
  

  A coffee trader buys two grades of coffee at sh. 80 and sh. 100 per parket . Find the ratio at which she
  should mix them so that by selling the mixture at a sh. 120, a profit of 25% is realized.

  Date posted: September 20, 2019 .    Answers (1)

• Find the distance in kilometers between places R(40^oS,25^oW) and S(40^oS,120^oE) along the parallel of latitude(Take radius of the earth to be 6370km and p... (Solved)
  

  Find the distance in kilometers between places R(40^oS,25^oW) and S(40^oS,120^oE) along the parallel of latitude(Take radius of the earth to be 6370km and pi = 22/7) correct to 2 d.p.
  

  Date posted: September 20, 2019 .    Answers (1)

• The table below shows the marks obtained by Form 3 students of Rehema Secondary School in Mathematics Exam. The total numbers of students were 100.Find... (Solved)
  

  The table below shows the marks obtained by Form 3 students of Rehema Secondary School in Mathematics Exam. The total numbers of students were 100.
  
  
  Find the standard deviation of the distribution.

  Date posted: September 20, 2019 .    Answers (1)

• Solve the equation; (Solved)
  

  Solve the equation;
  Log (x²-8x+20) = Log 4 + Log (x-4)

  Date posted: September 20, 2019 .    Answers (1)

• Rationalize the following leaving your answer in the simplified surd form. (Solved)
  

  Rationalize the following leaving your answer in the simplified surd form.
  

  Date posted: September 20, 2019 .    Answers (1)

• Give that x= 4 is a root of x²+kx-20=0. Find the value of k and thus other roots (Solved)
  

  Give that x= 4 is a root of x²+kx-20=0. Find the value of k and thus other roots

  Date posted: September 20, 2019 .    Answers (1)

• Copy and complete the table below for the function y=4+5x-x² for -2=x=7 (Solved)
  

  Copy and complete the table below for the function y=4+5x-x² for -2≤x≤7
  

  Date posted: September 20, 2019 .    Answers (1)

• A supermarket is stocked with plates which come from two suppliers A and B. They are bought in the ratio of 3:5 respectively, 10% of... (Solved)
  

  A supermarket is stocked with plates which come from two suppliers A and B. They are bought in the ratio of 3:5 respectively, 10% of plates from A are defective and 6% of the plates from B are defective.
  (a) A plate is chosen by a buyer at random. Find the probability that;
  (i) it is from A
  (ii) it is from B and it is defective.
  (iii) it is defective
  (b) Two plates are chosen at random. Find the probability that:
  (i) both are defective
  (ii) at least one is not defective.

  Date posted: September 20, 2019 .    Answers (1)

• The points X and Y are both on latitude 39^oN. The longitude of X is 73^oW and the longitude of Y is 18^oW . Two... (Solved)
  

  The points X and Y are both on latitude 39^oN. The longitude of X is 73^oW and the longitude of Y is 18^oW . Two ships P and Q leave X at the same time and travel to Y along the line of latitude. The ships P and Q travel at constant speeds of 25km/hr and 20km/h respectively. Taking the radius of the earth to be 6371km and π= 22/7 ;Calculate:-
  (a) The distance Q still has to travel when P reaches Y.
  (b) At the same time a third ship R leaves Y traveling due west at an average speed of 15km/hr.
  Calculate the longitude of the point at which R meets P.
  

  Date posted: September 20, 2019 .    Answers (1)

• In a square PQRS, A is the mid-point of PQ and B is the mid-point of QR, while C is a point on BP such... (Solved)
  

  In a square PQRS, A is the mid-point of PQ and B is the mid-point of QR, while C is a point on BP such that 2BC = 3CP. The co-ordinates of P, Q and S are (4,4), (14,4) and (4,14) respectively. Find:
  (a) (i) the column vectors of PQ and PS.
  (ii) co-ordinates of R
  (b) Show that A, C, S are collinear.

  Date posted: September 20, 2019 .    Answers (1)

• Find the equation of the tangent to the circle x²+y²-8x+2y+7=0 at the point (3, 2). Give your answer in the form y=ax+b. (Solved)
  

  Find the equation of the tangent to the circle x²+y²-8x+2y+7=0 at the point (3, 2). Give your answer in the form y=ax+b.

  Date posted: September 19, 2019 .    Answers (1)

• Without using mathematical tables and calculators simplify: (Solved)
  

  Without using mathematical tables and calculators simplify:
  

  Date posted: September 19, 2019 .    Answers (1)

• Use matrix method to solve simultaneous equations. 3x + 7y = 11 x – y + 4 = 0 (Solved)
  

  Use matrix method to solve simultaneous equations.
  3x + 7y = 11
  x – y + 4 = 0
  

  Date posted: September 19, 2019 .    Answers (1)

• The distance between Sotik and Nakuru is 130km. car x starts from Sotik at 8.00 a.m and travels at 40km/hr towards Nakuru. A second car... (Solved)
  

  The distance between Sotik and Nakuru is 130km. car x starts from Sotik at 8.00 a.m and travels at 40km/hr towards Nakuru. A second car y starts traveling from Nakuru at 8.15 a.m towards Sotik at an average speed of 35km/hr. At what time will the two cars meet?

  Date posted: September 19, 2019 .    Answers (1)

• A variable P varies as the square of Q and inversely as square root of R. Find the percentage change in P when Q is... (Solved)
  

  A variable P varies as the square of Q and inversely as square root of R. Find the percentage change in P when Q is increased by 5% and R reduced by 19%.

  Date posted: September 19, 2019 .    Answers (1)