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Mathematics 9 Online
OpenStudy (anonymous):

Brandon is baking cookies for a school bake sale. If he can make 2 dozen cookies in 23 minutes which is a reasonable estimate of the amount of time it will take him to make 12 dozen cookies? A) between 4 and 5 hours B) between 3 and 4 hours C) between 2 and 3 hours D) between 1 and 2 hours

OpenStudy (anonymous):

@AnswerMyQuestions

OpenStudy (igreen):

What's 12 / 2?

OpenStudy (anonymous):

what do you mean

OpenStudy (anonymous):

you could start by converting the units to hours

OpenStudy (igreen):

Divide 12 / 2.

OpenStudy (anonymous):

6

OpenStudy (igreen):

Yes, and what's 23 / 6?

OpenStudy (anonymous):

why r u dividing 23 by 6

OpenStudy (anonymous):

is it b

OpenStudy (igreen):

Yep, 23 /6 is approximately 3.83 And that's between 3 and 4.

OpenStudy (anonymous):

you multiply by 6 but divide by 60 bcs its in min-hr

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