hootiebug43
Answered

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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.

Sagot :

first round 15.25 to 15.30 and 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

Answer: It's not reasonable.

Step-by-step explanation:

Hi, to answer this question we have to add both book’s prices:

15.25 + 4.85 = $20.1

If he wants to pay with one $20 bill, it wouldn’t be reasonable, because:

20 <20.1

For an useful estimate, estimate to the nearest tenth:

15.30 +4.90 = 20.2

Still, he can’t afford the books because he is lacking 20 cents.

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