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

asked Mar 21, 2017 203k views

5 votes

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4 votes

45/15= 3, so thats 3 cookies per student
30x3= 90 so 90 cookies

Matthaeus answered Mar 23, 2017

7.2k points

4 votes

90 cookies are need for 30 students because 15 is half of 30 so you multiply 45 by 2 to get 90 (or add 45 to 45)

Obywan answered Mar 26, 2017

7.9k points

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