The solution to  is either  or . Which solution is correct? Explain how you know.

The school band director determined from past experience that if they charge dollars for a ticket to the concert, they can expect attendance of . The director used this model to figure out that the ticket price needs to be $8 or greater in order for at least 600 to attend. Do you agree with this claim? Why or why not?

Which inequality is true when the value of  is -3?

Write three different equations that match the tape diagram.

A baker wants to reduce the amount of sugar in his cake recipes. He decides to reduce the amount used in 1 cake by  cup. He then uses cups of sugar to bake 6 cakes. Describe how the tape diagram represents the story.

How much sugar was originally in each cake recipe?

One year ago, Clare was 4 feet 6 inches tall. Now Clare is 4 feet 10 inches tall. By what percentage did Clare’s height increase in the last year?