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Isabel had 21 coins in her collection. Frank had 3 times as many coins as Isabel had. Which equation can be used to determine the number of coins Frank had? * 21 ÷ _?_ = 3 3 x 21 = _?_ 21 + 3 = _?_ 3 +
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Isabel had 21 coins in her collection. Frank had 3 times as many coins as Isabel had. Which equation can be used to determine the number of coins Frank had? *

21 ÷ _?_ = 3
3 x 21 = _?_
21 + 3 = _?_
3 + _?_ = 21

User Ksice
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The second 3x21 can tell you how much frank had and 3x21 is 63 btw
User Roger Lehmann
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