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OpenStudy (anonymous):
plz help Which describes a situation when an exact answer is appropriate? A: Barry wants to buy a DVD for $19.95 and a flash drive for $14.95. He has $40. He wants to know if he has enough money to buy both. B: Barry buys a DVD for $19.95 and a flash drive for $14.95. He gives the cashier $40. The cashier wants to know how much change to give Barry.
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OpenStudy (anonymous):
B. With A he only needs to know an estimate and see if that is under the amount that he has
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