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just olya [345]

3 years ago

11

Kai calculates that he spends 15% of the school day in science class. If he spends 42 minutes in science class, how many minutes

does Kai spend in school each day? Can someone tell me how to do that with fractions and cross products or something

1 answer:

MissTica3 years ago

6 0

You need to first multiply 100 by 42 then divide by 15

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A university has 29,970 students. In a random sample of 285 students, 19 speak three or more languages. Predict the number of st

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Set up a proportion.
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