Question

Jabari is thinking of three numbers. The greatest number is twice as large as the least number. The middle number is three more than the least number. The sum of the three numbers is 75. Find the numbers.

Answer 1

18, 21, 36

Explanation:

Let L represent the least number. Then the greatest is 2L and the middle number is (L+3). Their sum is ...

L +(2L) +(L+3) = 75

4L = 72 . . . . . . . . . subtract 2, collect terms

L = 18 . . . . . . . . . . . divide by 4

L+3 = 21

2L = 36

The numbers are 18, 21, and 36.