Compound & Simple Interest

Question 1:

Decrease £2600 by 18% over 7 years using compound interest.

£648.14

Question 2:

Decrease £2500 by 27% over 7 years using compound interest.

£276.18

Question 3:

Decrease £2200 by 10% over 6 years using simple interest.

£880

Question 4:

Decrease £4000 by 7% over 8 years using simple interest.

£1760