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Molly and Nancy disagree about the value of the expression 2 + 3 · 4. Molly thinks it is 20, and Nancy thinks it is 14. How could each girl have calculated her answer? Who is correct? Homework Help ✎

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One girl calculated (2 + 3)(4) and the other calculated 2 + (3)(4).
Evaluate each expression to find out who did which one.
The girl who correctly followed the Order of Operations arrived at the correct answer.

Nancy is right.