Question

Calculate the rate per litre at which a car uses petrol,if it uses 20l of petrol to travel 180 km​

Answer 1

1 L of petrol is used to travel 9 km.

Explanation:

You can find the answers through the ratio method

20 L : 180 km

1 L : x

( x is the number we must find )

20 x = 180

x =

x = 9 km