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basically your saying
10x3=30
30-25=5
5-3=2
and this does not agree with
9x3=27
27+2=30
the problem is the equation is set up wrong, you are not supposed to add two to get to the old total you are supposed to subtract 2 to get to the new total
t.f.
9x3=27
27-2=25 the amount that the hotel gets.
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