Answer:
23, 32, 69
Step-by-step explanation:
3 numbers x, y, z
z = 3x
y = x + 9
x+y+z=124
x + (x + 9) + 3x = 124
5x + 9 = 124
5x = 115
x = 23
y = 32
z = 69
check: 23 + 32 + 69 = 124
32-10=x
The answer is b because its makes sense
x=-12
x=10
x=-8
x=-5
First multiply each terms and u get
50+4+4/5+0.006
When u add all these u get
54.806 or 54 403/500