Combining the numbers, we get 3w+12=5
3w=-7
w=-7/3
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. ^-^
The answer is D.137
The questions asked how many people he surveyed therefore you are to add up all the numbers.
74+33+12+18= 137
