Question

By what number should 56/9 be multiplied to get 40??

Answer 1

Let the number be 'x'
By the problem,
56/9(x)=40
⇒x=(40×9)/56
⇒x=360/56
⇒x=45/7
∴The number is 45/7.

Answer 2

Concept:

Here we use the concept of simplification and fraction.

Given:

The number 56/9 is multiplied by any number to get 40.

Find:

The number which should be multiplied by 56/9 to get 40.

Solution:

Let the number a be multiplied by 56/9 to get 40.

So, we can write

(56/9) × a = 40

56a/9 = 40

56a = 40 × 9

56a = 360

a = 360/56

a = 45/7

Hence, 56/9 should be multiplied by 45/7 to get 40.

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