If 45 cookies will serve 15 students how many cookies are needed for 30 students?

Ratio and rate problems
Babygirl28
Asked Dec 07, 2012

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for every 15 students you need 45 cookies. There are 2 groups of 15 students in 30. (15x2=30) so that means you need 2 groups of 45 cookies because you have 2 groups of 15 students.

SO the answer is 45x2=90

Hope that helps :)
samego
Answered Dec 07, 2012
thanks bae
lacey360
Answered Oct 26, 2014
45 divided by 15 equals 3. 30x3=90
Hope I helped
Pandalover309
Answered Sep 28, 2016

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