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Mathematics 15 Online
OpenStudy (anonymous):

Darren teaches a class of 25 students. He assigns homework 3 times a week, and each assignment consists of 12 problems. How many problems must Darren correct each week?

OpenStudy (anonymous):

1 student has \[12\times3\] problems to solve each week. Multiply this by 25. That's the total amount of problems Darren will have to correct.

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