Gilbert earns $7.50 per hour washing cars. graph the relationship between the number of hours gilbert works and the total amount of money he earns.

You can put the dollars on the y axis and the hours on the x axis. Whenever the hours increase by 1, move over 1 on the x axis and 7.50 up on the y axis.

The first point should be (1, $7.50).
                                         ↑      ↑
                                     hours, money earned

The second point then will be (2, $15.00), the third will be (3, $22.50), and so on.