In a graduating class of 236 students

In a graduating class of 236 students, 142 took algebra and 121 took chemistry. What is the greatest possible number of students that could have taken both algebra and chemistry.

2 Explanations

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Lorenzo Peve

if you put 121 you cannot get 236 students

Aug 5, 2017 • Comment

Adam

Hi Lorenzo,

As Chris notes in the video, the numbers in the Venn diagram do not need to add up to 236. The 236 number includes students who did not take algebra or chemistry.

Sep 2, 2017 • Reply

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Chris Lele, Magoosh Tutor