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25-10-2016
Mathematics

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Biruk wants to buy a book for $15.25 and a book for $4.85 he wants to pay with one $ 20. bill use estimation to decide if this is reasonable explain to what place value to round for an estimate that is useful in this situation

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25-10-2016

First, round 15.25 to 15.30. Round 4.85 to 4.90, and then add. You get 21.20. No it is not reasonable and you round to the decimal ones

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