Question

7 cm as a percentage of 40 cm

Answer 1

Step-by-step explanation:

7 cm as a ℅ of 40 cm =

7/40 × 100 =

7/4 × 10 =

7/2 × 5=

17.5 ans

Answer 2

Given -

40 cm

To find -

The 7 cm is what percentage of 40 cm.

Solution -

let, The 7 cm is x percentage of 40 cm.

We can write it as,

$\frac{x}{100} \times 40 = 7$

$x = 7 \times \frac{100}{40}$

Divide 100 and 40 by 20 get

$x = 7 \times \frac{5}{2}$

$x = \frac{35}{2}$

Divide 35 by 2 we get

$x = 17.5$

Hence,

The 7 cm is 17.5 percentage of 40 cm.