Let the number be x.
$\frac{2}{3}x\;-\;\frac{3}{5}x$ = 40
$\frac{10x\;-\;9x}{15}$ = 40
$\frac{x}{15}$ = 40
x = 15 x 40;
x = 600
The number is 600
johnmulu answered the question on June 8, 2017 at 05:04
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Simplify $\frac{x\;-\;1}{x}$ - $\frac{2x\;+1\;}{3x}$ Hence solve $\frac{x\;-\;1}{x}$ - $\frac{2x\;+\;1}{3x}$ = $\frac{2}{3}$
(Solved)
Simplify $\frac{x\;-\;1}{x}$ - $\frac{2x\;+1\;}{3x}$ Hence solve $\frac{x\;-\;1}{x}$ - $\frac{2x\;+\;1}{3x}$ = $\frac{2}{3}$
Date posted:
June 7, 2017
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Answers (1)
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Date posted:
June 7, 2017
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(Solved)
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June 7, 2017
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(Solved)
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Date posted:
June 7, 2017
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Answers (1)
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(Solved)
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Date posted:
June 7, 2017
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Answers (1)
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(Solved)
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Date posted:
June 7, 2017
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Answers (1)
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(Solved)
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Date posted:
June 7, 2017
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Answers (1)
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(Solved)
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Date posted:
June 7, 2017
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Answers (1)
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(Solved)
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Date posted:
March 10, 2017
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(Solved)
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Date posted:
March 10, 2017
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Date posted:
March 10, 2017
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(Solved)
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Date posted:
March 10, 2017
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Answers (1)
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(Solved)
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Date posted:
March 10, 2017
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(Solved)
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Date posted:
March 10, 2017
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Answers (1)
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$\frac{(6a + b)(a+ b) - 7b(a + b)}{2a^2 - 2b^2}$
(Solved)
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Date posted:
March 9, 2017
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Answers (1)
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(Solved)
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Date posted:
March 9, 2017
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Answers (1)
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Use reciprocal and square tables to evaluate to 4 significant figures the expression
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(Solved)
Use reciprocal and square tables to evaluate to 4 significant figures the expression
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Date posted:
March 9, 2017
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Kamau spend $\frac{3}{5}$ of his money on buying food and $\frac{1}{2}$ of what was left on rent. After that, he finds that he has sh 1 400 left in his pocket. Determine the amount spent on buying food.
(Solved)
Kamau spend $\frac{3}{5}$ of his money on buying food and $\frac{1}{2}$ of what was left on rent. After that, he finds that he has sh 1 400 left in his pocket. Determine the amount spent on buying food.
Date posted:
March 9, 2017
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Answers (1)
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(Solved)
Evaluate $\frac{-45\div (-15\times 4 - (-38))}{-50\times 50\div 5\times (-5)}$
Date posted:
March 9, 2017
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Answers (1)
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Express the numbers 20, 40 and 80 each as a product of its prime factors. Hence find the L.C.M of the numbers in factor form
(Solved)
Express the numbers 20, 40 and 80 each as a product of its prime factors. Hence find the L.C.M of the numbers in factor form
Date posted:
March 9, 2017
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Answers (1)