Writing Equations

On a separate sheet of paper, use symbols to express the following scenarios as an equation.



1.    A public storage company charges new customers an initial fee of $10.50, plus $13.50 each month.  Write an equation for the cost.             
         C = _________



2.    Taylor’s Department Store sells CDs for $15.49 each.  Write an equation for the cost.    
         C = _________



3.    Buyer’s Warehouse has an initial $25 membership fee to shop there, then each CD would cost $12. Write an equation for the cost. 
         C = _________



4.    Tori charges $6 per hour to cut lawns. What is the number of hours that Tori worked if she charged $90 for her hard work.



5.    Karen wrote a check for $72. She subtracted that amount from her checking account and found that the balance was $383 after writing the check. What was her balance before writing the check?