Compound & Simple Interest

Question 1:

Decrease £700 by 50% over 3 years using compound interest.

£87.5

Question 2:

Decrease £3600 by 8% over 6 years using simple interest.

£1872

Question 3:

Decrease £2900 by 10% over 6 years using simple interest.

£1160

Question 4:

Increase £4600 by 9% over 5 years using simple interest.

£6670