Reading group is making a set of 45 flashcards. There are 5 students in the group. Each student should make the same number of cards ey want to know how many cards each student should make. They find the answer with this number sentence.
45:5 = 9
which problem should they use to check their answer?
O A. 9x5
B. 9 x 45
C. 45 x 5
a
D. 9:5
E. 5. 45