SOLUTION: When fuel tank of a car is 75% full, it contains 45 litres of petrol. the car comsumes 1 litre of petrol for every 12 km travelled and the cost of petrol is $ 1.02 per litre. a) h

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Question 888687: When fuel tank of a car is 75% full, it contains 45 litres of petrol. the car comsumes 1 litre of petrol for every 12 km travelled and the cost of petrol is $ 1.02 per litre.
a) how much petrol does the car's fuel tank contains when full.
b) What distance can the car travel on a full tank of petrol.
how much is spent on petrol to travel 252km

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
a)
Let = litres in a full tank


litres
--------------------
b)
In units only:
( litres ) x ( km / litre ) = km
km
---------------------------
c)
In terms of units:
( dollars / litre ) x ( litres / km ) x km = dollars
dollars

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