A collection of 16 coins, each with a face value of…
March 24, 2017
GMAT OFFICIAL GUIDE PS Solution: We can let the number of 10-cent coins = d and the number of 25-cent coins = q. We are given that there are …
Tag: Official Guide for GMAT Review 2017
A technician makes a round-trip to and from a certain service center…
March 24, 2017
GMAT OFFICIAL GUIDE PS Solution: We can let the distance to the center = d, so the roundtrip distance = 2d. Since the technician has driven to the center …
When traveling at a constant speed of 32 miles per hour, a certain motorboat…
March 24, 2017
GMAT OFFICIAL GUIDE PS Solution: We are given that a motorboat has a rate of 24 gallons per hour while traveling at a speed of 32 miles per hour. …
On a vacation, Rose exchanged $500.00 for euros…
March 24, 2017
GMAT OFFICIAL GUIDE PS Solution: We are given that Rose exchanged $500.00 for euros at an exchange rate of 0.80 euro per dollar. Since 1 dollar = 0.8 euros, …
If 893 × 78 = p, which of the following is equal to 893 × 79
May 19, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given that 893 x 78 = p and need to determine, in terms of p, the value of 893 x 79. 893 …
A rectangular garden is to be twice as long as it is wide…
May 19, 2016
GMAT OFFICIAL GUIDE PS Solution: We are given that a rectangular garden is twice as long as it is wide. If we let w = the width of the …
If 2^(x + y) = 4^8, what is the value of y…
May 19, 2016
GMAT OFFICIAL GUIDE DS Solution: Since we want to find the value of y, let’s isolate y in the equation: 2^(x + y) = 4^8 2^(x + y) = …
A certain high school with a total enrollment of 900 students…
May 19, 2016
GMAT OFFICIAL GUIDE DS Solution: We want to find out the number of students who attended the science fair on all three days. Statement One Alone: Of the students …