Mrs. Bartles class went to the Amusement park. She had 33 students. Of these 21 plan to ride the roller coaster and 12 plan to ride the vertical drop. There are 7 students who do not plan to ride either attraction. How many students only ride the roller coaster? a. 27 b.21  c.14 d. 19

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Mrs. Bartles class went to the Amusement park. She had 33 students. Of these 21 plan to ride the roller coaster and 12 plan to ride the vertical drop. There are 7 students who do not plan to ride either attraction. How many students only ride the roller coaster?

a. 27

b.21 

c.14

d. 19

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