Mathematics, 21.01.2021 20:40, ayoismeisalex

Juanita ran 8.3 miles in Week 1 and 12.09 miles in Week 2. She used the subtraction below to determine how much farther she ran in Week 2 than in Week 1. 12.09 minus 8.30 = 4.79. All decimals are aligned. The 0 in 12.09 is crossed out and a 1 is above it. The 2 is crossed out in 12.09 and a 1 is above it. Which error did Juanita make? She subtracted instead of added. She aligned the decimal points incorrectly. She did not regroup correctly when subtracting. She made a computational error when subtracting.

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Juanita ran 8.3 miles in Week 1 and 12.09 miles in Week 2. She used the subtraction below to determi...