Mathematics, 28.09.2020 01:01, luiscastaenda

Olivia uses the work below to determine 55% of 720. Step 1: 55 percent = 50 percent + 10 percent minus one-half (10 percent)
Step 2: 50% of 720 = 720 divided by 2 = 360
10% of 720 = 720 divided by 10 = 72
One-half (10 percent of 720) = One-half (72) = 31
Step 3: 360 + 72 – 31 = 401

Which explains the error in Olivia’s solution?

Answers: 1

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Olivia uses the work below to determine 55% of 720. Step 1: 55 percent = 50 percent + 10 percent mi...