Question
a teacher teaches two class and each class contains 35 students. if she grade final exam at a rate of 15 minutes per exam. how many minutes will it take to grade all final . how many hours is this?
Answers
Ms. Sue
Ahh -- now this makes sense!
70 * 15 = 1050 minutes
1050 / 60 = _____ hours
70 * 15 = 1050 minutes
1050 / 60 = _____ hours