One night a certain motel rented 3/4 of its rooms, including 2/3 of its air-conditioned rooms. If 3/5 of its rooms were air-conditioned, what percent of the rooms that were not rented were air-conditioned.
A. 20%
B. 331/3%
C. 35%
D. 40%
E. 80%
Sets
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80% it is.
In case you find it difficult to use the fractions, assume the total no of rooms to be a value, say 100........problem becomes easier
In case you find it difficult to use the fractions, assume the total no of rooms to be a value, say 100........problem becomes easier