Author: Jeff Miller
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 …
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 …
GMAT OFFICIAL GUIDE PS Solution: This problem is testing us on the Rate x Time = Distance relationship. This relationship also tells us that Rate = Distance/Time and Time …
GMAT OFFICIAL GUIDE PS Solution: We are given that a divided by b is positive (or greater than zero). We know that in division when a quotient is positive, …
GMAT OFFICIAL GUIDE PS Solution: We see that n can be ANY PRIME NUMBER GREATER THAN 3. Let’s choose the smallest prime number greater than 3 and substitute it …
GMAT OFFICIAL GUIDE PS Solution: Before attacking this question, we want to review what “absolute value” means. The absolute value of a number measures or is the distance that …
GMAT OFFICIAL GUIDE PS Solution: To solve this question, we first have to use some long division. This long division allows us to get 6/11 in decimal form, which …
GMAT OFFICIAL GUIDE PS Solution: We are given a rectangular sandbox with a given capacity, which is the volume of the sandbox. Therefore, we know that the volume of …
