MCAS 2002, 8th Grade Math, Questions 13 to 16

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Question #13

Marisa saved $500 to spend on a vacation. She will spend about $45 per day on her vacation, and she must have $70 left to pay for her bus ride home. Which of the following inequalities best represents the possible numbers of days, d, Marisa could be on vacation?

A. $500 - ($45 d) ≥ $70

B. $500 - ($45 d) ≤ $70

C. $500 - ($70 d) ≥ $45

D. $500 - ($70 d) ≤ $45

Question #14

What is the value of -2[x - 2(x - y)] when x = -3 and y = 7?

A. -100

B. -34

C. 34

D. 27

Question #15

A bag contains 3 blue, 4 red, and 2 white marbles. Karin is going to draw out a marble without looking in the bag. What is the probability that she will not draw a red marble?

A. 1/3

B. 5/9

C. 2/3

D. 4/9

Question #16

Compute:

10 - (3)² + (-3) X 2

A. -5

B. 4

C. -2

D. 2

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