Answer B is correct. Sum is the answer to an addition problem, so sum of 8 and 2 would be 8+2.
Answer:
72
Step-by-step explanation:
I have a weird way of doing it
so if 18 is 25%
18+18=36
then 36 would be 50%
36+36=72
so then 72 would be 100%
72*.25=18
You are now on the 5th floor.
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