Best Rentals Charges a Daily Fee Plus a Mileage Fee $\$ 105.00$

Multiple Choice

Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $\$ 105.00$ for 3 days and 300 miles, while Mary was charged $\$ 195.00$ for 5 days and 600 miles. What does Best Rentals charge per day and per mile?

A) $\$ 16$ per day; $21 \$$ per mile
B) $\$ 14$ per day; 21 \& per mile
C) $\$ 20$ per day; $15 \$$ per mile
D) $\$ 15$ per day; $20 \$$ per mile