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 …
A store reported total sales of $385 million for February…
May 21, 2015
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 …
(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 …
In the rectangular solid above, the three sides shown…
May 20, 2015
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 …
Last Sunday a certain store sold copies of Newspaper A…
May 13, 2015
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 …
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 …