Answer:
8 hours
Step-by-step explanation:
12/2= 6
He grades 6 exams per hour
48/6= 8
it would take 8 hours to grade 48 exams
Bonus:
it takes him 10 minutes to grade an exam. That doesnt matter for this question but it's good 2 know
Answer:
7/23
Step-by-step explanation:
Answer:
its right
Step-by-step explanation:
It simplifies to the proper fraction 14/15 so it cannot be a mix number
hope this helps !!