Question

If 40% of a=b then b% of 40 is the same as

Answer 1

(40/100)× a=b

(2/5)× a= b...........eq.1

b%of 40= (b/100)× 40

=((2/5)a/100)×40

=((200/5)a)× 40

= 40a × 40

= 1600a

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Answer 2

$b\% \text{ of } 40=16\% \text{ of } a$

Step-by-step explanation:

Given : If 40% of a=b.

To find : b% of 40 is the same as ?

Solution :

40% of a=b

i.e. $\frac{40}{100}\times a=b$

$0.4a=b$

Now, b% of 40 is written as

$b\% \text{ of } 40=\frac{b}{100}\times 40$

Substitute the value of b,

$b\% \text{ of } 40=\frac{0.4a}{100}\times 40$

$b\% \text{ of } 40=\frac{16a}{100}$

$b\% \text{ of } 40=16\% \text{ of } a$

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