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How to subtract 27 minus 9.9 using mental math

User Learie
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1 Answer

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Answer: you are left with 17.1 or 17.10

HOW TO: picture this. i'ma going to go to your store and you have 27 dollars. you owe me 9.90 for some reason. you give me the money and i go on my way. how much money are you left with?

User Morsanu
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