in Pre-Algebra Answers by Level 10 User (57.4k points)

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4 Answers

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210=70/100 * balloons purchased, so number purchased=210*100/70=3*100=300.

Answer B shows the right equation. 70/100=210/300.
by Top Rated User (884k points)
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B is your answer
by Level 2 User (1.0k points)

I think the answer is 

hope this helps

either 33.3 or 70?

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