Question

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?

Answer 1

the answer is d

Explanation:

Answer 2

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