Question

Assume that y varies inversely as x. If, y, is 2.4 when x = 5, which is an equation that relates x and y?

Answer 1

k=y•x
Inverse means 1/variable
y=k•1/x
y=k/x
k=y•x

x=5
y=2.4
k=2.4 • 5
k=12

Answer is:

y=12/x

Good luck.