### Home > MC1 > Chapter 6 > Lesson 6.1.3 > Problem 6-30

6-30.

. 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 ✎

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 right answer.