Answer: I would go with C
Step-by-step explanation: if correct please mark brainliest
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
7/9-1/3 or 7/9-3/9= 4/9 is the answer
Answer: d
explanation: baseball cards already take up half so it cant be a or c because those are more than half and if you add all of the numbers up you would get 40. 15 out if 40 is 3/8 and baseball cards take up 4/8 and football cards take up 1/8 so your answer would be d.
