Answer:
29, 21, 84
Step-by-step explanation:
Let the first number be x.
The second number is x - 8.
The third number is 4(x - 8).
Their sum is 134.
x + (x - 8) + 4(x - 8) = 134
x + 5(x - 8) = 134
x + 5x - 40 = 134
6x = 174
x = 29
x - 8 = 29 - 8 = 21
4(x - 8) = 4(29 - 8) = 4(21) = 84