Question

A truck uses 2.5 litres of fuel to travel 8 kilometres.

a How far will the truck travel on 1 litre of fuel?
b How far will the truck travel on 120 litres of fuel?

Answer 1

a：20 km

b：384

Explanation:

a：

`(2.5)/( 8) = (1)/(x)`

`x = 20`

b：

`(2.5)/(8) = (120)/(y)`

`y = 384`

Answer 2

To answer these questions, we need to know the fuel efficiency of the truck, which is the distance the truck can travel on one litre of fuel.

a) To find the fuel efficiency, we can divide the distance traveled (8 km) by the amount of fuel used (2.5 L). This gives us a fuel efficiency of 8 km / 2.5 L = 3.2 km/L. So the truck can travel 3.2 km on 1 litre of fuel.

b) To find the distance traveled on 120 litres of fuel, we can multiply the fuel efficiency (3.2 km/L) by the number of litres of fuel (120 L). This gives us a total distance of 3.2 km/L * 120 L = 384 km.