You are considering renting a car from two car rental companies. Proxy rental car company charges $0.32 per mile plus an $18 surcharge. YourPal rental company charges $0.36 per mile plus a surcharge of $12. a. Write an equation that represents the cost of renting a car from Proxy.
b. Write an equation that represents the cost of renting a car from YourPal.
c. Which company offers a better deal for an 840 mile trip? (Show your reasoning)