Compound & Simple Interest

Question 1:

Increase £3100 by 48% over 7 years using compound interest.

£48216.28

Question 2:

Increase £3900 by 7% over 7 years using simple interest.

£5811

Question 3:

Decrease £2200 by 11% over 7 years using simple interest.

£506

Question 4:

Increase £2000 by 15% over 10 years using compound interest.

£8091.12