Question

Two numbers are in the ratio 5:7 .If the sum of these numbers is 84,find the number ​

Answer 1

Answer:

let the ratio be x

5x+ 7x = 84

12x=84

x=84/12

x=7

5x = 5×7 =35

7x = 7×7 = 49

Answer 2

Answer:

Let the common multiple be x

then two numbers are 5x and 7x

5x + 7x = 84

12x = 84

x = 84/12

x = 7

numbers are

5x = 35

7x = 49

Hope it helps