Tag: Official Guide for GMAT Review 2017

GMAT OFFICIAL GUIDE PS Solution: To solve we can create a fairly simple word translation. Remember if we are asked “x is what percent of y”? we can set …

GMAT OFFICIAL GUIDE PS Solution: The bakery began the day with 40 dozen rolls. Half of the rolls were sold by noon, so we know by noon we had …

GMAT OFFICIAL GUIDE PS Solution: This problem can be easily solved by following the order of operations. Let’s tackle the exponents first. 0.1^2 = 0.1 x 0.1 = 0.01 …

GMAT OFFICIAL GUIDE PS Solution: Let’s let T = total number of dollars spent at the supermarket. With this variable we can set up an equation and determine T. …

GMAT OFFICIAL GUIDE PS Solution: We must solve the inequality for two cases: Case 1: (y-1/2) is Positive: |y – ½| < 11/2 y – ½ < 11/2 Add …

GMAT OFFICIAL GUIDE PS Solution: We need to simplify the equation 5 – 6/x = x. We start by multiplying the entire equation by x and we obtain: 5x …

GMAT OFFICIAL GUIDE PS – Solution: We start by using the negative exponent rule. When a fractional base is raised to a negative exponent, we can rewrite the expression …

GMAT OFFICIAL GUIDE PS Solution: We must first eliminate the fractions in the equation 1/x – 1/(x+1) = 1/(x+4). Thus, we will multiply the entire equation by the least …