Manhattan Review Percents

Percents and Fractions

If x is p% of z, then x = If x is p% greater than z, then x= If x is p% less than z, then x= If 𝑦 > 0, 𝑦 = 2.53𝑥 , 𝑦 is ______% greater than 𝑥. If the number of accidents in March was 25% higher than that in February, then the number of accidents in February was _____% lower than that in March.

If 𝑎 > 𝑏, 𝑎 is what percent higher than b ?

Which is the greatest?

Fraction Percent 1/2 50

3 7

×

4

1

3

5

+

Fraction Percent 1/3 33 1/3

4

1

9

10

5

5

8

Fraction Percent 1/20

1/4

1/6

1/40

1/8

5/6

17/40

3/8

1/10

1/12

7/8

1/5

1/16

1/7

2/7

1/9 47

2

+ ÷

Positive integer y is 50 percent of 50 percent of positive integer x, and y percent of x equals 100. What is the value of x ? 50

100

200

1,000

2,000

In May, Josep sold 40% of the computers that were sold by the store at which he works. In June, Josep sold 60% of the computers sold by the store. Did Josep sell more than twice as many computers in June as he did in May? (1) The number of computers that the other employees sold was higher in June than in May. (2) Josep sold more than half of the computers than were sold by the store during the months of May and June.

48

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Orange (GMAT Review 11th Edition) PS (Problem Solving) 6,8,17,22,34,42,44,62,77,78,80,84,96,104,109,110,115,123 131,139,142,143,151,154,156,162,165,174,177,183,188 189,197,216,219,221,237,240,243 DS (Data Sufficiency) 1,4,7,8,30,31,34,46,59,62,69,77,91,110,111 Green (GMAT Quantitative Review) PS (Problem Solving) 6,8,10,11,12,13,24,27,32,33,36,39,40,46,47,56,57,67,73,74 79,88,89,95,100,112,118,138,156,158,159,162,165,167 168 DS (Data Sufficiency) 1,5,17,22,52,65,72,92

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