A. Isn't the answer because 9 can't go into 60
B. This is your answer 45 inches
C. and D. can't be the answer because 15 can't go into 50 or 36
15 * 3 = 45
9 * 5 = 45
I hope this helps you out, I had taken me a while to figure out what it was asking. ^-^
