During a certain season, a team won 80 percent of its first…
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 = …
Author: Scott Woodbury-Stewart
Seven pieces of rope have an average (arithmetic mean) length of 68 centimeters…
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 …
If m > 0 and x is m percent of y, then…
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 …
A fruit-salad mixture consists of apples, peaches, and grapes…
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 …
Last year the price per share of Stock X increased by k percent…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: To start, we need to create a few variables. p = price per share of stock X e = earnings per share of stock …
A tank contains 10,000 gallons of a solution that is 5 percent…
May 7, 2015
GMAT OFFICIAL GUIDE PS – Solution: We start with 10,000 gallons of a solution that is 5% sodium chloride by volume. This means that there are 0.05 x 10,000 …
A positive number x is multiplied by 2, and this product…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: We need to produce an equation from the information given in the problem stem. We are first given that x is multiplied by 2 …
Jack is now 14 years older than Bill. If in 10 years Jack…
May 7, 2015
GMAT OFFICIAL GUIDE PS Solution: We first want to create variables for Jack’s age today and Bill’s age today. J = Jack’s age today B = Bill’s age today …