Question

One number is 4 times a first number. A third number is 100 more than the first number. If the sum of the three numbers is 280, find the numbers. The three numbers are:

Answer 1

Answer: The first number is 30.

The second number is 120.

The third number is 130

Explanation:

x + 4x + x+ 100 = 280

6x = 280-100

6x= 180

x = 30