Solve the problem and explain how estimation could be used to make sure the answer is reasonable. Olivia bought some bananas for $3.55 and some ice cream for $3.25. About how much change did Olivia get from $10.00? A. Answer: Olivia got $3.20 in change. Estimation: 3.55 + 3.25 is about 7. $10 - $7 = $3 Olivia got about $3 in change. B. Answer: Olivia got $3.50 in change. Estimation: 3.55 + 3.25 is about 7. $7 : 2 = $3.50 Olivia got about $3.50 in change. C. Answer: Olivia got $16.80 in change. Estimation: 3.55 + 3.25 is about 7. $10 + $7 = $17 Olivia got about $17 in change.
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