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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).
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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)....

User Tedsmitt
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2 Answers

1 vote

Answer:

Explanation:

60 problems

User Ollieread
by
5.9k points
2 votes
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
User Jorel
by
6.3k points
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