At a certain school, the ratio of the number of second…
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: We are given the following: 1) The ratio of the number of second graders to the number of fourth graders is 8 to 5. …
The average distance between the Sun and a certain…
May 6, 2015
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 …
A certain fruit stand sold apples for $0.70 each and bananas…
May 6, 2015
A certain fruit stand sold apples for $0.70… Solution: We are given that apples were sold for $0.70 each and that bananas were sold for $0.50 each. We can …
GMAT OFFICIAL GUIDE PS – In the xy-plane, what is the slope of…
May 6, 2015
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 …
On a certain day, orangeade was made by mixing a certain
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: We are given that orangeade is made on Day 1 with an EQUAL AMOUNT of water and orange juice. We can set this information …
A glass was filled with 10 ounces of water, and 0.01 ounce…
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: We are given that 0.01 ounces of water evaporated EACH DAY. Furthermore, we know that this process happened over a 20-DAY PERIOD. To calculate …
Company P had 15 percent more employees in December…
May 6, 2015
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 …
Four staff members at a certain company worked on…
May 6, 2015
GMAT OFFICIAL GUIDE PS Solution: We are given that the amounts of time that the four members worked on the project were in the ratio 2 to 3 to …