There are #24# students in the science class of Mr. Sato. He wants to give #3# magnets to each pair of students. He has already given #9# pairs of students their #3# magnets. How many more magnets does he need?
1 Answer
Feb 16, 2017
Mr. Sato needs
Explanation:
AS there are
there are
Mr. Sato wants to give each pair of students
Mr. Sato has already given
Therefore number of pairs of students yet to be given magnets is
For them he needs