Question

At a petrol station, 198 litres of petrol cost £223.74. Find the cost of 22 litres of petrol. Of

Answer 1

Answer: £24.86

Step-by-step explanation

litres = pounds £

198 223.74

divide both sides by 198 to find how much 1 litre costs

1 = 1.13

multiply both sides by 22

22 24.86

(This is direct proportion since as litres decrease, the price decreases.

It would be different method if it was indirect proportion (where one thing goes up, another goes down )

Answer 2

...proportionality

198litres of petrol 22litres of petrol

£223.74 (22*223.74)/198=£24.86

Explanation: