decrease 5m by 20%

Answer 1

To decrease 5m by 20%, you need to calculate 20% of 5m and subtract it from the original value.

20% of 5m is (20/100) * 5m = 1m.

So, to decrease 5m by 20%, you subtract 1m from 5m.

5m - 1m = 4m.

Therefore, the result is 4m.