Mathematics

A car uses 20 litres of petrol for a journey of 180km.how many litres will it use for a journey of 108km?(assume its travels at the same rate

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1. Pls give me the answer I need it right now

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2. Just use a simple ratio

x/108 = 20/180

Now just solve for x

or
if 180 km uses 20 L
then 1 km uses 20/180 L
so 108 km will use 108(20/180) L, notice you end up with the same calculations.

(Just receiving the answer means that you have learned nothing)

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Reiny
3. I'm standard 6 so i want some new things here

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