Answer:
The mean is 8.3.
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
I think it is the right answer, but I am not sure
The total length of the rope = 32 ft
It is cut into two sections, say x and y
But one section is seven times the other, say y=7x (shorter section being x)
Solving for x
x+y =32
x+7x = 32
8x=32
x=32/8 = 4 ft.
Therefore, the shorter piece is 4 ft long.
Answer:
y = 8x + 72
Step-by-step explanation:
The answer of the equation is 3x-12