Advanced Placement (AP), 24.11.2020 01:30 ash0470

Pilar wanted to use estimation to solve a decimal addition problem. She correctly used estimation to rewrite the problem as 12 + 3 + 5 + 6. What could her original problem have been? 12.38 + 4.45 + 4.14 + 6.7
12.5 + 3.05 + 5.23 + 0.6
11.5011 + 3.6 + 5.17 + 5.7
11.75 + 3.299 + 5.31 + 6.27

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Pilar wanted to use estimation to solve a decimal addition problem. She correctly used estimation to...