Question

the oil tank can take up to 1200 litres of oil.
there are already 450 litres of oil in the tank.
the price of the oil is 81.5p per litre.
as a loyal customer mr leonard gets a 7.5% discount on the price of the oil.
how much discount does mr leonard get on his purchase

Answer 1

so sorry I don't know this question was not my standards so sorry