Question

A plane flies 405 km on 90 litres of fuel.
(i) How much fuel is needed for 540 km?
Answer 120 litres
​

Answer 1

Answer:

let,

1) if a plane files 405km in 90 litres of fuel

then plane files 540km in X litres of fuel

405*X=90*540

X=90*540/405

X=120 litres

2) if a plane files 405km in 90litres of fuel

then plane will file Ykm in 50 litres of fuel

405*50=90Y

Y=405*50/90

Y=225km

Hope it's helpful