Question

A tractor uses up 12 litres of diesel while ploughing 3 acres of land. How much diesel will be needed to plough 19 acres of land?

Answer 1

Diesel required to plough 3 acres of land =12 litres 

∴ Diesel required to plough 1 acre of land

= 4 liters 

∴ Diesel required to plough 19 acres of land = Diesel required to plough 1 acre of land x 19 = 4 x 19 = 76 litres.

∴ Diesel needed to plough 19 acres of land is 76 litres.