Karen can read 10 pages and complete 15 math problems in 30 minutes. How long will it take her to do her homework if she has 30 pages to read and 45 math problems to complete? Your answer should refer to the amount of time in minutes. (1 point)

minutes

4 answers

In 30 minutes, Karen can read 10 pages and complete 15 math problems.

So, in 1 minute, Karen can read 10/30 = 1/3 of a page and complete 15/30 = 1/2 of a math problem.

Therefore, to read 30 pages, it will take Karen 30/(1/3) = <<30/(1/3)=90>>90 minutes.

And to complete 45 math problems, it will take Karen 45/(1/2) = <<45/(1/2)=90>>90 minutes.

Therefore, it will take Karen a total of 90 + 90 = <<90+90=180>>180 minutes to do her homework. Answer: \boxed{180}.
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its 90 minutes

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its 90 minutes