Author: Scott Woodbury-Stewart

GMAT OFFICIAL GUIDE PS Solution: Although this problem may seem wordy it is actually a pretty basic word problem. We are asked to determine the number of stocks that …

GMAT OFFICIAL GUIDE PS Solution: Because the circle passes through point (5,0) and has center (2,-3), we know that the distance between these points is the radius of the …

GMAT OFFICIAL GUIDE PS Solution: When we have an evenly spaced set of numbers, the mean and the median are equal. Recall that an evenly spaced set of numbers …

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 …