1.

One-fifth of a number is 9. find the number.​

Answer»

GIVEN:

one-fifth of a NUMBER is 9.

To Find :

The original number

Solution :

Let the number is X

One fifth = 1/5

According to the given question -

\dfrac{1}{5} x = 9

\dfrac{x}{5} = 9

x = 5 \times 9 = 45

The Number is 45

Check - 45 x 1/5 = 45/5 = 9.

Hence, The original number is 45.


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