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 370, find the numbers.

The three numbers are
(Use a comma to separate answers as needed.)

Answer 1

45, 180, 145

Explanation:

Let n represent the first number. Then "one number" is 4n, and the third number is n+100. The sum of the three numbers is ...

n + 4n + (n+100) = 370

6n = 270

n = 45

4n = 180

n+100 = 145

The three numbers are 45, 180, 145.