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Home > MC1 > Chapter 1 > Lesson 1.2.3 > Problem 1-80


How many pennies are represented by each expression below?

  1. Remember to multiply first, then add.


  1. This one is similar to part (a).

  1. One student, Christy, did it this way:

    What did Christy do wrong?

    Make sure you do what is inside the parentheses first.