Question

Jared is behind on his math homework. He has 12 lessons of math to do before Monday. He

can answer two math problems each minute. If a typical lesson has 25 problems, how much
time should he expect to spend doing his math? Show all work and show your answer in
hour and minutog

Answer 1

2 questions he can solve 1 min

per question he need 1/2min or 0.5min

Now

Total problems

• 25(12)
• 300

Total time

• 300(0.5)
• 150min

• 2h 30min

Answer 2

Explanation:

the numbers of the problems =

12 × 25 = 300

each minute he can answer 2 problems

therefore, the time that he expect to finish the problems =

300/2 × 1 minute = 150 minutes

= 2 hours and 30 minutes