Last year, 639 students attended a summer camp. of those who attended this year, 0.5% also attended summer camp last year. about how many students attended the summer camp two years in a row? show ur work for me you

First of all, he have to find out what 0.5% of the students is.

Second of all, find out what 0.5 of 100 is. 100 divided by 0.5 is 200.

Third of all, divide 200 from 639. This equals 3.195

Since it is asking about how many, I would go with about 3. After all, you can't have have half of a person, so the decimals shouldn't be added.

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282 6/7 cm^2

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