The charge for a single room at Hotel P is 25 percent less than the charge for a single room at Hotel R and 10 percent less than the charge for a single room at Hotel G. The charge for a single room at Hotel R is what percent greater than the charge for a single room at Hotel G ?

Correct answer marked below

15%

20%

Correct

40%

50%

150%

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What this question tests

Your ability to compute percentage change, percentage of a whole, and to work backwards from a final value.

Treating successive percentage changes as additive — a 10% rise then a 10% fall is not back to the start.