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OpenStudy (khameleon):
Should an estimate or the exact answer be calculated? Then do the appropriate calculation. Mr. Montgomery received a $20 gift card for a coffee shop. He made three purchase of $1.65 each and two more purchases of $3.95 each. How much money was then left on his card? A. An estimate is sufficient. There is about $6.00 left on the card. B. The exact answer is needed. There is $7.15 left on the card.
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OpenStudy (khameleon):
help
OpenStudy (eliesaab):
2 * 165+ 2* 3.95=12.85
OpenStudy (eliesaab):
How much is left?
OpenStudy (eliesaab):
20-12.85=?
OpenStudy (eliesaab):
It seems to me that A is not the answer. Why?
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