there are 24 students in a science class. Mr. Sato will give each pair of students 3 magnets. So far, Mr. Sato has given 9 pairs of students their 3 magnets. homw many more magents does Mr. Sato need so that each pair of students has excatly 3 magnets.

5 answers

Since they are given to pairs of students, you need 12*3 = 36 magnets in all. He has already given 9*3 = 27 magnets. What does that tell you?
24/2*3-9*3
I have no idea
15
You guys are weird it is 34567.5467