During the summer, Gavin tutors and Eva washes cars. To show their earnings, Gavin makes a graph and Eva makes a table. Who earns more money per hour, and by how much more? Gavin's Tutoring
A graph has time (hours) on the x-axis, and earnings (dollars) on the y-axis. A positive slope labeled slope is 20 dollars per hour begins at the origin and extends toward the top.
Eva's Car Washing
Time
(hours) Earnings
(dollars)
4 $97
6 $145.50
9 $218.25

Eva, by $4.25

Eva, by $3

Gavin, by $8.50

Gavin, by $17