Ace Rent a Car charges a flat fee of $15 and $0.24 a mile for their cars. Acme Rent a Car charges a flat fee of $30 and $0.16 a mile for their cars. Use the following model to find out after how many miles Ace Rent a Car becomes more expensive than Acme Rent a Car.
c=15+0.24m Ace
c=30+0.16m Acme