Question

Last year, height of Ramesh was 164 cm. This year his height is 172 cm. Find the percentage change in his height.

Answer 1

change = 172-164=8 cm


percentage change =
$\frac{8}{164} \times 100 \\ = \frac{800}{164} \\ = \frac{200}{41} = \\ = 4 \frac{36}{41} \%$
please follow me