Author: Scott Woodbury-Stewart

GMAT OFFICIAL GUIDE PS Solution: We are given that there are 8 teams in a league and that each game is played by 2 teams. Note that each team …

GMAT OFFICIAL GUIDE PS Solution: We are given an equation h = –16(t – 3)^2 + 150, with the following information: h = height of h feet t = …

GMAT OFFICIAL GUIDE PS Solution: An easy way to solve this problem is to first write out all the perfect squares below 100 that result from squaring a prime …

GMAT OFFICIAL GUIDE PS Solution: To solve this problem, we first want to determine the rate of each machine. Since each machine works at the same constant rate, each …

GMAT OFFICIAL GUIDE PS Solution: To solve we can create a fairly simple word translation. Remember if we are asked “x is what percent of y”? we can set …

GMAT OFFICIAL GUIDE PS Solution: The bakery began the day with 40 dozen rolls. Half of the rolls were sold by noon, so we know by noon we had …

GMAT OFFICIAL GUIDE PS Solution: This problem can be easily solved by following the order of operations. Let’s tackle the exponents first. 0.1^2 = 0.1 x 0.1 = 0.01 …

GMAT OFFICIAL GUIDE PS Solution: Let’s let T = total number of dollars spent at the supermarket. With this variable we can set up an equation and determine T. …