A local store offers two installment plans for buying a $270 skateboard.
Plan 1: A fixed weekly payment of $10.80
Plan 2: A $120 initial payment plus $6.00 per week

a. For each plan, how much money is owed after 12 weeks?
b. Which plan requires the least number of weeks to pay for the skateboard? Explain.
c. Write an expression that represents the amount of money paid after “w” weeks for
each plan. Explain what information the variables and numbers represent.