Compound & Simple Interest

Question 1:

Decrease £2300 by 38% over 5 years using compound interest.

£210.71

Question 2:

Increase £3100 by 5% over 10 years using simple interest.

£4650

Question 3:

Increase £3300 by 6% over 8 years using simple interest.

£4884

Question 4:

Decrease £4800 by 31% over 7 years using compound interest.

£357.42