McGraw-Hill Education GRE 2019

Exercise Answers Discrete Quantitative Questions A To simplify the inequality, combine like terms. Add x to both sides: y > ...

E You have a range for x, and you have ranges for y and z in terms of x. Manipulate to get ranges for y and z. If x > 8, the ...

B Since you want to compare 6y − 4x to a value, you should manipulate the given information to see if you can arrive at a range ...

From Words to Algebra Study this chapter to learn about: ■ Word problems ■ Statistics ■ Rates ■ Probability S tudents of math at ...

Create algebraic relationships! Once you’ve created relationships, you can then use your algebra skills to solve the problem. Le ...

Step 4: Solve for the unknown. At this point, you have two algebraic relationships: l + s = 70 l = s + 20 Since the question ask ...

Step 3: Combine the equations to solve. t + s = 20 10 s + 5t = 14 0 Since you are asked to solve for s, you should use the first ...

Step 3: Combine the equations to solve. b = j + 13 b + 3 = 2(j + 3) Since the question asks to solve for j, you should substitut ...

Exercise: Word Problems Discrete Quantitative Questions The sum of Kathy’s salary and Janet’s salary is $200,000. If Kathy’s sa ...

An $800 bill is to be split equally among 10 friends. If x of the friends do not pay their share and the remaining friends spli ...

Bob can spend a maximum of $56 on hamburgers and shakes. Hamburgers cost $5 apiece, and shakes cost $4 apiece. If Bob purchases ...

Quantitative Comparison Questions Each of the following questions consists of two quantities, Quantity A and Quantity B. You are ...

If a dealership increased the price of its sedans by $3,000, then the price of a sedan would be double the price of a truck. QUA ...

s + t = 10 40 s + 20t = 340 To solve for s, use substitution. First, manipulate the first equation to express t in terms of s: t ...

charge for the first minute is $0.75. The charge for all subsequent minutes will be cost/minute × number of minutes. You are tol ...

8 x = 50 x =^508 = 6.25 C Let b = the number of boys and g = the number of girls. Relationship 1: b + g = 300 Relationship 2: b ...

A Let b = Bob’s weight and j = Jack’s weight. Use these variables to create the equation b + j = 50. If Bob weighs more than Ja ...

Let’s look at a set of data to understand these concepts: The test scores for seven students in a class are 72, 90, 72, 83, 81, ...

Averages Of all statistical topics, averages are tested most frequently. Unfortunately, most average questions will not be as si ...

SOLUTION: revenue for the first 4 days + revenue for the last 6 days = total revenue Total revenue = A × N = $40,000 × 10 = $400 ...