The sum of two numbers is 20 and their difference is 4, then the greater no. is ______

Solution:

Given sum of two numbers is 20 and difference is 4

Let the two numbers be x, y

x + y = 20 --- [1]

x - y = 4 --- [2]

By method of elimination, we get

2x = 24

x = 12

Put x = 12 in eq[1],

12 + y = 20

y = 20 - 12

y = 8

Therefore, the two numbers are 12,8 and the greater number is 12.

The sum of two numbers is 20 and their difference is 4, then the greater no. is ______

Summary:

The sum of two numbers is 20 and their difference is 4, then the greater no. is 12.