Homework Help: math

Posted by jamel on Tuesday, March 12, 2013 at 4:10am.

In a group of 200 high school students, 36 are taking biology, 52 are taking Spanish, and 126 are taking neither biology nor Spanish. If one of these 200 students is to be chosen at random, what is the probability that the student chosen is taking biology but not Spanish?

math - Lena, Tuesday, March 12, 2013 at 4:58am
Total # of students = 200
Biology students = 36
Spanish students = 52
Other students = 126

36+52+126 does not even = 200 students total
Did you type this question incorrectly?
math - Anonymous, Wednesday, April 3, 2013 at 8:56pm
11%
math - CR, Monday, April 22, 2013 at 4:46pm
126 (neither Bio. nor Spanish)
+52 (Spanish)
___
178 (total of students that can't be chosen)

200 (total students)
-178 (total it can't be chosen)
____
22

22/200 = 11/100 = 11%

This is not the only way to solve it.

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