Question

find s.i and amount on £3600 at 15% p.a for 3years 9months

Answer 1

Principal amount (P)= £3600
Rate (R) = 15%
Time (T)= 3 +9/12 = (36+9)/12=45/12

Simple Interest = PRT/100
=( £3600*15*45)/12*100
=3*15*45=£2025