Question

mary is preparing for her college entrance exams. in a practice test, she answered 12 problems in 30 minutes. at this rate, how many questions can she expect to answer in 150 minutes?? (proportional reasoning)....

Answer 1

Answer:

Step-by-step explanation:

60 problems

Answer 2

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