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18-09-2016
Mathematics

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

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Аноним Аноним

18-09-2016

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)

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anguswever anguswever

18-09-2016

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

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