Question

.. Two numbers are in the ratio 7:4.
If their difference is 21. Find the
numbers.
​

Answer 1

7x - 4x = 21

3x = 21

x = 21/7

x = 7

1st number is 7(7) = 49

2nd number is 4(7) = 28

hope this may helps you :-)

Answer 2

given :

Two numbers are in the ratio 7:4. If their difference is 21.

To find :

the numbers.

Solution :

let the numbers are 7x and 4x

=> 7x - 4x = 21

=> 3x = 21

=> x = 21/3

=> x = 7

number are ,

7x = 7 x 7 = 49

4x = 4 x 7 = 28