The sum of three numbers is 78. The third number is 2 times the second. The first number is 6 less than the second. What are numbers

Question

The sum of three numbers is 78. The third number is 2 times the second. The first number is 6 less than the second. What are numbers

Answer 1

Let x = second number. Then x - 6 = first number and 2x = third number.

(x-6) + x + 2x = 78

4x = 84

x = 21

The numbers are 15, 21, and 42.