Question

Express 40 cm as percent of 2 m 20cm​

Answer 1

Let x% of 2 metres is 35 cm.

Then  

100

200x

​

=35 [ Since 2 m=200 cm]

or, x=17.5.

So 17.5% of 2 metres is 35 cm.

Answer 2

Answer:$\frac{40}{220}$ × 100%

Step-by-step explanation:

Frist step : 2m 20cm = [(2x100)+20]cm = 220cm

Second step : In percent = $\frac{40}{220}$ × 100%