21. PAPER FOLDING You fold 4 paper cranes in 20 minues. Your friend folds
9 paper cranes in 45...
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Mathematics, 20.03.2020 09:45 dndndndnxmnc
21. PAPER FOLDING You fold 4 paper cranes in 20 minues. Your friend folds
9 paper cranes in 45 minutes. Do these rates form a proportion? Explain.
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Answers: 1
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