Question

What is Sara's earning rate in dollars per hour?

coordinate graph titled Saras Earnings. with line passing through 0, 0 1, 10 2, 20 3, 30 4, 40

Answer 1

10 dollars per hour

Explanation:

10/1 = 10

20/2 = 10

30/3 = 10

40/4 = 10

So $10 per hour!