Question

A drum of oil has capacity of 725 litres . Two containers of 145.75 litres and 250.50 litres are filled with oilfrom the drum.find the quantity of oil left in drum

Answer 1

Add the 145.75 litres and 250.50 litres 
which is 396,25 litres.
then subtract it with 725 litres
which is 328.25 litres
final answer:328.25 litres