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12 votes
12 votes
So far, 21 students signed up to go on the trip to the Math Museum. That’s only 30% of the number needed for Ms. Speth to agree to the trip. How many kids need to sign up for Ms. Speth to agree to the trip?

User Bobo
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1 Answer

27 votes
27 votes
70 students. I used percent proportion.
User Renats Stozkovs
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