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

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

User Sachin Sanchaniya
by
8.0k points

2 Answers

4 votes
45/15= 3, so thats 3 cookies per student
30x3= 90 so 90 cookies
User Matthaeus
by
8.0k 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) 
User Obywan
by
8.7k points
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