Question

please help. i've been trying to but i can't :)

Answer 1

a)45% of 80 is 45/100×80 i.e su-la scored 36.

b)72%of 150 is 72/100×150i.e john scored 48.

c)for one litre of mixture 85% of petrol is required and 15% of oil is required .for 18 litres of the solution we need 270 oil is required.

d)four and half percent of £ 148500 is

£668250.

e)65% of $62400 is $40560.

f)two and half percent of €16400 is €41250.