First, use front-end rounding to round each number and estimate the answer. Then, find the exact answer.Chi bought 2 items at Lucky Pete's market. She bought a pound of butter for $0.68 and a gallon of milk for $3.09. What was the total amount that she paid for both of these items?
A. Estimate: $ 4; exact: $3.77
B. Estimate: $ 5; exact: $1.68
C. Estimate: $ 3; exact: $3.77
D. Estimate: $ 4; exact: $1.68
Answer: A
Mathematics
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