Question

Two number are in the ratio of 7:9.If their sum is 320,find the number.

Answer 1

Given, two numbers are in the ratio 7 : 9

So, let the 1st number be 7x and let the second number be 9x

Given, their sum = 320


According to the question,

7x + 9x = 320

16x = 320

x = $\dfrac{320}{16}$

x = 20


1st number => 7x

=> 7 × 20

=> 140

2nd number => 9x

=> 9 × 20

=> 180

Answer 2

Heyyyy mate..

Here is your answer..

given two numbers are in ratio .

let number is =X

now ratio=7:9

so, 7x and 9x
and their sum =320

according to question,

7x+9x=320

16x=320

so,x=320/16= 20

first number= 7×20=140

and second number= 9×20=180

hope it help you