Direct and Inverse Variation Answers

Norman makes $15 commission for selling $200 in merchandise. He makes $37.50 commission for selling $500 in merchandise. Assuming that the variables are directly related and Norman wants to make $150 in commission, what is the total value of merchandise he needs to sell?

Which equation represents an inverse variation?

In a function, y varies inversely with x. The constant of variation is 4. Which table could represent the function?