Question

Mr.Silva needs to grade 800 assignments by Sunday at midnight so.his students don’t get mad at him for not updating grades on Monday.He will spend 5 hours on Friday,7hours on Saturday, and 4 hours on Sunday.How many assignments must be grade per hour to finish his deadlines?

Answer 1

50

Explanation:

5 hours + 7 hours + 4 hours = 16 hours

800 ÷ 16 = 50 assignments/hour

Answer 2

50

Explanation:

because 5+7+4= 16

and 800/16=50 assignments

hope you understand