The equation y = 15x 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) 4 5 8 10 money earned ($) 32 40 64 80 ⦁ how much money does sandra earn per hour? show your work. ⦁ who earns more per hour? justify your answer. ⦁