Question

a number is divided in the ratio 9:11 .If the first part 72 .find the number.

Answer 1

HEYA!!!

Let the ratios be 9x and 11 x

given ,

first part = 9x = 72

9x = 72

x = 72 / 9

x = 8

Therfore, the 2nd part is 11× 8 = 88

Hence, the number is 88 + 72 = 160..

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Answer 2

Let the common ratio be x.

Let the 1st number be 9x.

Let the 2nd number be 11x.

Given that 1st part is 72.

9x = 72

x = 8.

Then the second part = 11 * 8 = 88.

Therefore the number is 72 + 88 = 160.


Hope this helps!