For the positive numbers, n, n + 1, n + 2, n + 4, and n + 8
May 21, 2015
GMAT OFFICIAL GUIDE PS Solution: Let’s first calculate the mean (arithmetic average). mean = sum/quantity mean = (n + n + 1 + n + 2 + n + …
Author: Scott Woodbury-Stewart
If x(2x + 1) = 0 and (x + 1/2)(2x – 3) = 0, then x =
May 21, 2015
GMAT OFFICIAL GUIDE PS Solution: To solve we will use the zero product property. The zero product property states that if the product of two quantities is equal to …
1/2 + [(2/3 * 3/8)/4] – 9/16 =
May 21, 2015
GMAT OFFICIAL GUIDE PS Solution: We need to simplify the expression using PEMDAS. Parentheses Exponents Multiplication and Division Addition and Subtraction The calculation of an equation or expression must …
(0.0036)(2.8)/(0.04)(0.1)(0.003) =
May 20, 2015
GMAT OFFICIAL GUIDE PS – Solution: When we divide decimals without a calculator, it is easier if we first convert all of the decimal numbers to whole numbers. If …
There are 4 more women than men on Centerville’s board of…
May 20, 2015
GMAT OFFICIAL GUIDE PS Solution: We can solve the problem by setting up a few equations. First let’s define some variables. m = number of men on the board …
At a loading dock, each worker on the night crew…
May 11, 2015
At a loading dock, each worker on the night crew… Solution: The easiest way to solve this question is to choose convenient values for the number of day workers …
A certain rectangular window is twice as long…
May 11, 2015
GMAT OFFICIAL GUIDE PS Solution: We set up the dimensions of the rectangular window as w = width and l = length. We are given that the rectangular window …
In a small snack shop, the average (arithmetic mean) revenue…
May 11, 2015
GMAT OFFICIAL GUIDE PS Solution: This is a problem testing us on our knowledge of weighted averages. To solve, we can set up a weighted average equation: (Revenue for …