Question

The sum of two numbers is 60 and their difference is 30.

The difference of numbers in term of x is ______.

Answer 1

The difference of numbers in term of x is 60 – 2x.

Explanation:

Given, one number = x  .....[From (a)]

Then, other number = (60 – x)

∴ Difference = (60 – x) – x = 60 – 2x