



 
Hi Desiree, Suppose you rent the cart for $n$ days. Under the economy plan it costs $\$26$ per day so what is the cost for $n$ days? Under the premium plan the cost is $\$126.02$ plus $\$12$ per day. Under this plan how much does it cost for $n$ days? Set these two quantities equal and solve for $n.$ For any number of days larger than the $n$ you found the premium plan will will be less expensive. Penny  


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