Mrs. Davis tutored 2.5 hours on Monday night and 1.5 hours on Tuesday night.she earned $72. How much did mrs. Davis earn per hour?
Total hours tutored: 2.5 + 1.5 = 4 hours
Earnings per hour = Earnings/Total hours
Earnings per hour = 72/4
Earning per hour = $18
Total hours tutored: 2.5 + 1.5 = 4 hours
Earnings per hour = Earnings/Total hours
Earnings per hour = 72/4
Earning per hour = $18