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20 June, 11:00

There are 24 students in science class. mr james will give each pair of students 3 magnets. so far, mr James has given 9 pairs of students their magnets. how many magnets doses mr james need sp that each pair of students has exactly 3 magnes?

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  1. 20 June, 11:16
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    24/2 = 12 pairs of students

    if he gave 9 pairs of students magnets there are 12-9 = 3 pairs left

    3 magnets per pair

    3*3 = 9 more magnets are needed
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