In class of 720 sophmores 200 take french 300 take math 350 take science 150 take 2/3 subjects 100 take none. how many people take all 3 classes?

There are 20 people who take all 3 classes.

Step-by-step explanation:

Since we have given that

Total number of sophmores = 720

Number of people who take French = 200

Number of people who take math = 300

Number of people who take Science = 350

Number of people who takes two out of three subjects = 150

Number of people who takes none = 100

So, Number of people who takes all 3 classes is given by

Hence, there are 20 people who take all 3 classes.

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step-by-step explanation: