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Thirty percent of the members of a swim club have passed…

Scott Woodbury-Stewart May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: We are given that 30 percent of the members of the have passed the lifesaving test. If we use variable T for the total …
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Of 30 applicants for a job, 14 had at least 4 years’ experience…

Jeff Miller May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: For this we can setup a table with 2 main categories: years of experience and degrees. These can be broken down further into: 1) …
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During a certain season, a team won 80 percent of its first…

Scott Woodbury-Stewart May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: We are first given that a team won 80 percent of its first 100 games. This means the team won 0.8 x 100 = …
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Seven pieces of rope have an average (arithmetic mean) length of 68 centimeters…

Scott Woodbury-Stewart May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: We need to first recognize that we are working with a maximum problem. This means that of the seven pieces of rope, we must …
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A photography dealer ordered 60 Model X cameras…

Jeff Miller May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: We are given that a dealer ordered 60 cameras to be sold for $250 each. This is a 20% markup over the initial cost …
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If m > 0 and x is m percent of y, then…

Scott Woodbury-Stewart May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: To solve we want to first create a word translation from the information in the problem stem. We are given that x is m …
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A fruit-salad mixture consists of apples, peaches, and grapes…

Scott Woodbury-Stewart May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: We can first set up our ratio using variable multipliers. We are given that a fruit-salad mixture consists of apples, peaches, and grapes, in …
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Of the 300 subjects who participated in an experiment using…

Jeff Miller May 7, 2015
Of the 300 subjects who participated in an experiment using… Solution: This is a 3-circle Venn Diagram problem. Because we do not know the number of unique items in …
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