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A car hire company hire out cars such that there is a fixed charge and another part which varies with the distance covered. Taking C...

A car hire company hire out cars such that there is a fixed charge and another part which varies with the distance covered. Taking C to stand for total cost, d for distance covered, k for fixed charge and t for charge per kilometer.
a) Express C in terms of k,tand d.
b) Given that the total cost is 7000 when the distance is 200km and the total cost is 11000 when distance is 400km.
i) Find the values of k and t.
ii) Find the equation connecting c,t,k and d.
(c) Find the cost of hiring a car to area a distance of 500km.
(d) Due to increase in fuel prices, the company increased the fixed charge by 20% and charge per kilometer by 10%:
i) Find the cost of hiring the car for 500km.
ii) Find the percentage increase of hiring the car for the 500km.

Answers

Kavungya answered the question on November 19, 2019 at 05:38

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