The equation y = 10x describes the amount of money sandra earns, where x is the number of hours she
works and y is the amount of money she earns.
the table shows the amount of money susan earns for different numbers of hours worked.
susan's earnings
time (h)
5
8
10
money earned
32
($)
80
(a) how much money does sandra earn per hour? show your work.
(b) who earns more per hour? justify your answer.
you must complete all parts to receive full credit.