Sarah & Mia babysit for 6 hours. They want to compare the amount of money they got paid per hour. The dollar amount, d, and the hours, h, are described for each of them below. Which person earns more money per hour?

A
Sarah, $5 per hour.

B
Mia, $5 per hour

C
Sarah, $15 per hour.

D
Mia & Sarah both make the same amount of money per hour.