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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…

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…
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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 Chris Rasys
by
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1 Answer

6 votes
70 students. I used percent proportion.
User Thekthuser
by
8.4k points
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