If money is invested at r percent interest, compounded annually…
June 26, 2015
GMAT OFFICIAL GUIDE PS Solution: Although this question appears as if we may have to do a lot of calculating, we actually do not. Focus on the first sentence …
Author: Scott Woodbury-Stewart
At his regular hourly rate, Don had estimated the labor…
June 26, 2015
GMAT OFFICIAL GUIDE PS Solution: To solve this problem we can translate the problem with the given information into an equation. Since we don’t know Don’s hourly rate nor …
The price of lunch for 15 people was $207.00, including a 15…
June 26, 2015
GMAT OFFICIAL GUIDE PS Solution: An easy way to solve this problem is to translate what is provided in the question into a mathematical equation. We know that the …
There are 8 teams in a certain league and each team…
June 26, 2015
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 …
An object thrown directly upward is at a height of h feet…
June 26, 2015
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 = …
If 3 ＜ x ＜ 100, for how many values of x/3…
June 26, 2015
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 …
Running at the same constant rate, 6 identical machines can…
June 26, 2015
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 …
150 is what percent of 30
June 26, 2015
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 …