Question

At a constant speed, a car used 5 litres of petrol to travel 80km. At the same speed, how many litres of petrol is needed for 120km​

Answer 1

Answer:

ans. 15 by 2 which is 7.5 litres

Step-by-step explanation:

5 =80

?=120

so 120 ×5/80 (cross multiply 120 and 5 and divide by 80

so the ans is 15/2 which is 7.5 litres