The number in the box would be 4.
hope this helps you
Answer:
y =
Step-by-step explanation:
since y varies directly as x, then the equation relating them is
y = kx ← k is the constant of variation
to find k use the given condition y = 9 when x = 72
k = = = , hence
y = × x =
You have
Multiply both sides by 20:
The equation becomes
Answer: I think it’s 40.4%
Step-by-step explanation: