Author: Jeff Miller

GMAT OFFICIAL GUIDE PS Solution: We start by substituting 290 for T and we obtain: 290 = 5/9(K – 32) To eliminate the fraction, we multiply the entire equation …

GMAT OFFICIAL GUIDE PS Solution: The problem is testing us on using the percent change formula: (New Value – Old Value)/Old Value x 100 We are given: February sales …

GMAT OFFICIAL GUIDE PS Solution: We are given a rectangular solid and also are given areas of three of the sides. Let’s draw the figure out. We label the …

GMAT OFFICIAL GUIDE PS Solution: We are given that newspaper A sold for $1 and that newspaper B sold for $1.25. Next we are are given that that p …

GMAT OFFICIAL GUIDE PS Solution: Remember that the notation means there is a bar over the 12, indicating that the decimal is nonterminating. Now, let’s start the problem by …

GMAT OFFICIAL GUIDE PS Solution: A good way to solve this problem is to use the idea of the fundamental counting principle. In a more standard form you could …

GMAT OFFICIAL GUIDE PS Solution: The key to solving this problem is to accurately translate what is being asked to a mathematical expression. We need to determine the “per …

GMAT OFFICIAL GUIDE PS Solution: To solve this problem we first need to determine the number of women. We know that there are 500 people and 15% of them …