## Shawn Berry’s Criticism of the Official Guide for GMAT Review (2015 Quant Review, Problem Solving #15)

2015 OG Quant Review PS #15. If 60 percent of a rectangular floor is covered by a rectangular rug that

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## Shawn Berry’s Criticism of the Official Guide for GMAT Review (2015 Quant Review, Problem Solving #15)

## Shawn Berry’s Criticism of the Official Guide for GMAT Review (2015 Quant Review, Problem Solving #20)

## Shawn Berry’s Criticism of the Official Guide for GMAT Review (2015 Quant Review, Problem Solving #18)

## Shawn Berry’s Criticism of the Official Guide for GMAT Review (2015 Quant Review, Problem Solving #17)

## Shawn Berry’s Criticism of the Official Guide for GMAT Review (2015 Quant Review, Problem Solving #16)

## Shawn Berry’s Criticism of the Official Guide for GMAT Review (2015 Quant Review, Problem Solving #13)

## Shawn Berry’s Criticism of The Official Guide for GMAT Review (2015 Quant Review, Problem Solving #10)

## Shawn Berry’s Criticism of The Official Guide for GMAT Review (2015 Quant Review, Problem Solving #2)

## Shawn Berry’s Criticism of the Official Guide for GMAT Review (2015 Quant Review, Problem Solving #1)

I criticize the solutions in the Official Guide for GMAT Review and offer superior solutions.

2015 OG Quant Review PS #15. If 60 percent of a rectangular floor is covered by a rectangular rug that

2015 OG Quant Review PS #20. (1 + √5) (1 – √5) = Math Lessons: (1) Factor a difference of squares,

2015 OG Quant Review PS #18. If X and Y are sets of integers, X∆Y denotes the set of integers

2015 OG Quant Review PS #17. The value of –3 – (–10) is how much greater than the value of

2015 OG Quant Review PS #16. Three machines, individually, can do a certain job in 4, 5, and 6 hours,

2015 OG Quant Review PS #13. The number of rooms at Hotel G is 10 less than twice the number

2015 OG Quant Review PS #10. If there are 664,579 primes among the first 10 million positive integers, approximately what

2015 OG Quant Review PS #2. If x/4 is 2 more than x/8, then x = . Note: Original

2015 OG Quant Review PS #1. The maximum recommended pulse rate R, when exercising, for a person who is x