Question

What is the missing number?

9/21 ?/105

A. 5
B. 45
C. 89
D. 93

Answer 1

B. 45

Explanation:

I would think that this is asking what ? would be if

9/21 = ?/105

So in order to do this, we need to divide 105 by 21 and that is 5.

multiply 5 by 9 and we have 45 as our answer!

I hope this is right :))