Question

Three numbers add to 60. The second number is four times the first number and the third number is 15 more than the second number. What are the three numbers

Answer 1

5, 20, 35

Explanation:

Let x represent the first number. The given relation is ...

x + 4x + (4x+15) = 60

9x = 45 . . . simplify, subtract 15

x = 5 . . . . . .divide by 9

The three numbers are 5, 20, 35.