Author: Scott Woodbury-Stewart

GMAT OFFICIAL GUIDE PS Solution: This problem is a unit conversion with an added twist of scientific notation. We need to convert 2.3 x 10^14 inches to KILOMETERS. We …

In the xy-plane, what is the slope of… Solution: The easiest way to determine the slope of the line is to put the equation of the line into slope-intercept …

GMAT OFFICIAL GUIDE PS Solution: There are actually two great methods to solving a problem such like this. The first is create a simple word translation. We are given …

GMAT OFFICIAL GUIDE PS Solution: To solve this question, we must make sure we interpret it correctly. We are not finding the least possible value of y, but rather …

GMAT OFFICIAL GUIDE PS Solution: The phrase “4 is one solution of the equation” means that one value of x is 4. Thus, we first must plug 4 for …

GMAT OFFICIAL GUIDE PS Solution: To determine the value of the account today we want to set up an expression showing the various percent increases and decreases. Remember we …

GMAT OFFICIAL GUIDE PS Solution: We are given that there are a total of 50 researchers in the workgroup and that 40% will be assigned to team A and …

GMAT OFFICIAL GUIDE PS Solution: Although this problem seems challenging it is actually a simple word translation. We know that when Leo imports a certain item he pays a …