2011/12 AHSMC Part 1 Problem 3

Problem 3 of 16

The number of customers in a restaurant on Tuesday is $20\%$ more than the number on Monday, the number of customers on Wednesday is $50\%$ more than the number on Monday, and the number of customers on Wednesday is $n\%$ more than the number on Tuesday. The value of $n$ is

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Suppose there are $m$ customers on Monday. Then there are $1.2m$ on Tuesday and $1.5m$ on Wednesday. The increase of $0.3m$ from Tuesday to Wednesday is $25\%$ of $1.2m$ . The answer is (B).

University of Alberta

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