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What's the answer, "If 84 cookies will serve 28 students, how many cookies are needed for 30 students" I need serious help!!!
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May 20, 2015
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What's the answer, "If 84 cookies will serve 28 students, how many cookies are needed for 30 students" I need serious help!!!
Mathematics
middle-school
Atastor
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First you need to figure out how many cookies will serve a single student.
You divide 84 by 28 and get 3.
So if 3 cookies serves an individual student, you multiply 3×30 and get 90. 90 cookies serve 30 students.
Andreas Siegel
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May 21, 2015
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Andreas Siegel
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For this question you will need to find out how many cookies each student eats. To find this, do 84 divided by 28. You will get 3. Since 28 is 2 less than 30, add 6 cookies for the two extra students. You will need 90 cookies.
Gillespie
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May 25, 2015
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