Answer:
B. 40
Step-by-step explanation:
y varies directly as x
y=kx, k is a constant
when x=8, y=5. k*8=5
k=5/8
When x=64,
y= 5/8 * 64
y= 40
I think the answer will be C 61
y=5 when x=8
8-3=5
x=64 y=?
64-3=61
