12. A Video Game service has a membership plan in which a person pays a membership fee of \( \$ 20 \) plus \( \$ 2.50 \) for each game rented. Non-members pay \( \$ 5.00 \) for each game rented. How many games would a person need to rent to make the membership plan a better deal?
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To make the membership plan a better deal, we need to compare the total costs for both members and non-members. For a member, the total cost \( C_m \) for renting \( n \) games is given by: \[ C_m = 20 + 2.50n \] For non-members, the total cost \( C_n \) for renting \( n \) games is: \[ C_n = 5n \] Now, we want \( C_m < C_n \): \[ 20 + 2.50n < 5n \] To find \( n \), we solve the inequality: \[ 20 < 5n - 2.50n \] \[ 20 < 2.50n \] \[ n > \frac{20}{2.50} \] \[ n > 8 \] Therefore, a person needs to rent more than 8 games for the membership plan to be a better deal, meaning they need to rent at least 9 games. If you play lots of games, this membership will be your best buddy!