Question

Two positive integers are in the ratio 3 : 7 and their sum is 70.find the integers.

Answer 1

let integers are
3x and 7x

now

3x + 7x = 70

10x = 70

x = 7

so integers are

21 , 49

## hope it can help you ##

Answer 2

Two positive integers are in the ratio 3 : 7
let it be 3x:7x
their sum is 70
so 3x+7x =70
10x=70
x= 7
the common factor is 7

3x=3*7=21
7x=7*7=49

the 2 numbers are 21 and 49