Hi! You need 3 boxes because if you divide 21 1/4 / 10 you get 2 1/8 or 2.125 so you at least have two boxes. You will still have some left over after the two boxes so you will need another box for those. I hope this helped, Goodluck :)
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Im sorry i dont really know ur anwer. Hope someone else can help you.
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8 2/9 - 2 2/3 = 50/9 = 5 5/9
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So the answer would be B.
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$1200
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180 divided by 9 is 20, so they earned $20 per car washed. They want to wash 60 cars, and if they wash 60 cars they would earn $1200. (60 x 20)
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what is the question bro?