Question

Sara drives 75km on 5 litres of petrol. How far could she travel on 1 litre?

Answer 1

75 km divided by 5 litres = 14 km
I hope this is right.

Answer 2

Solution:
Here,
On 5 litres Sara drives 75 km.
Then,
On 1 litre Sara drives =
$\frac{75}{5} km$
$= 15 \: km$