Adrienne had a party at a local bowling alley. She spent $75 for the lane and $5 per person for shoes. Let c be the total cost of the lane and shoes, and let f be the number of friends at her party. Write an equation to represent the problem. Which is the dependent variable? Explain.

A company sells cardboard that is 9, 1 over 8 mm thick. Write an equation to solve for the number of sheets of cardboard, c, in a pile that is 255, 1over 2 mm thick. What must be done to both sides to solve the equation?

Write a two-step equation that needs the steps of subtraction then multiplication in order to be solved, and then solve it. Show your work.

Brandon received a book for his birthday and read 76 pages in 4 hours. Later, he read 85 pages in 5 hours. Does his reading follow a direction variation? Explain.

Thank you so much!

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