Mark and Ann together were allocated n boxes of cookies to sell for a club project…
March 27, 2017
GMAT OFFICIAL GUIDE PS Solution: We are given that Mark and Ann were given n boxes of cookies to sell. Mark sold n – 10 and Ann sold n …
Tag: Problem Solving
Three printing presses, R, S, and T, working together at their respective constant rates, can do…
March 27, 2017
GMAT OFFICIAL GUIDE PS Solution: We are given that three printing presses, R, S, and T, working together at their respective constant rates, can do a certain printing job …
Last year Joe grew 1 inch and Sally grew 200 percent more than Joe…
March 27, 2017
GMAT OFFICIAL GUIDE PS Solution: We are given that last year Joe grew 1 inch and that Sally grew 200 percent more than Joe grew. This means Sally grew …
If mn ≠ 0 and 25 percent of n equals 37^1/2…
March 27, 2017
GMAT OFFICIAL GUIDE PS Solution: We are given that 25 percent of n = 37 1/2 percent of m. So we have: (25/100)n = (37.5/100)m We can multiply both …
The average (arithmetic mean) score on a test taken by 10 students was x. If the average score…
March 27, 2017
GMAT OFFICIAL GUIDE PS – Solution: We are given that the average score on a test taken by 10 students was x and need to find the average score …
A doctor prescribed 18 cubic centimeters of a certain drug to a patient whose body weight…
March 27, 2017
GMAT OFFICIAL GUIDE PS Solution: Since the typical dosage is 2 cubic centimeters per 15 pounds of body weight, a person who is 120 pounds (8 times as much …
If the range of the six numbers 4,3,14,7,10 and x is 12, what is the difference…
March 27, 2017
GMAT OFFICIAL GUIDE PS Solution: We are given that the range of the six numbers 4,3,14,7,10, and x is 12. If x is the largest value in the list, …
If p ≠ 0 and p − (1−p^2) / p = r/p, then r = PS12949
March 27, 2017
GMAT OFFICIAL GUIDE PS – Solution: We are given that p – = r/p, and we must isolate r. We can start by multiplying the entire equation by p …