Since the sum of two numbers is 67
and one number is p
so the other number is (67-p)
12 problems = 30 minutes
24 problems = 60 minutes
36 problems= 90 minutes
48 problems = 120 minutes
60 problems = 150 minutes
Mary can respond 60 problems in 2 hours and 30 minutes/ 2 hours and half/ 150 minutes.
Hope this helps xx
Answer: 8
Step-by-step explanation: hope this helps
