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There are 24 students in a science class. Mr. Sato will give each pair of students 3 magnets. So far, Mr. Sato as given 9 pairs of students their 3 magnets. How many more does Mr. Sato need so that each
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3 votes
There are 24 students in a science class. Mr. Sato will give each pair of students 3 magnets. So far, Mr. Sato as given 9 pairs of students their 3 magnets. How many more does Mr. Sato need so that each pair of students has exactly 3 magnets

User Mike Cantrell
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2 Answers

2 votes
15 more magnets he will have for the rest of the pairs
User Abraao Carmo
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6.5k points
3 votes
15 magnets for the other 3 groups
User Xoke
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7.4k points
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