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Home > CC1 > Chapter 3 > Lesson 3.1.2 > Problem 3-32


At Cassie’s Cashew Shoppe, a sign says, “Today only: off anything.” Maribel realizes that she has a coupon for off the price of anything in the shop. Which discount should she use, the -off deal or the -off coupon? Does it matter? Explain.

is the same as . Can you use a percent ruler or number line to represent this?

Using the same ruler or number line to represent  and might help you compare the portions.
Remember that one whole, or , is the same as .

Your number line might resemble the one below. Can you place and 
A percent ruler is scaled by 20% and labeled 0%, 20%, 40%, 60%, 80%, and 100%. Above the 0% is 0. Above the 100% is 5.

When you plot the portions, what do you find? Remember to explain your answer!