Answer: A
I think I might of messed up but I tried...
Answer: B
Step-by-step explanation: The combined height is 36'.
3 times 4.25= 12.75.
2 times 4.50 = 9.
and 3 times 4.75 = 14.25.
12.75+9=21.75.
21.75+14.25=36
So, your answer is B.
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