SOLUTION: In a survey of 100 college students, 35 were registered in College Algebra, 52 were registered in History I, and 18 were registered in both courses. How many students were regi

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Question 315385: In a survey of 100 college students, 35 were registered in College Algebra, 52 were registered in History I, and 18 were registered in both courses.
How many students were registered in College Algebra or History I?

Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
In a survey of 100 college students, 35 were registered in College Algebra, 52 were registered in History I, and 18 were registered in both courses.
How many students were registered in College Algebra or History I?
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(A or H) = A + H - (A and H)
(A or H) = 35 + 52 - 18
(A or H) = 69
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Cheers,
Stan H.