Question

Calculate a decrease of 15% in 50 cm

Answer 1

42.5 cm.

Explanation:

Hi,

A 15% decrease in 50 cm means reducing it by
`(15)/(100) * 50 = 7,5 \ \ cm` .

The final length after the 15% decrease would be 50 cm - 7.5 cm = 42.5 cm.

Good luck!