Solve the Problem Using a System of Equations $\$ 90.00$ For 3 Days and 300 Miles, While Mary Was Charged

Multiple Choice

Solve the problem using a system of equations.
-Best Rentals charges a daily fee plus a mileage fee for renting its cars. Barney was charged $\$ 90.00$ for 3 days and 300 miles, while Mary was charged $\$ 160.00$ for 5 days and 600 miles. What does Best Rentals charge per day and per mile?

A) $\$ 19$ per day; $11 \&$ per mile
B) $\$ 10$ per day; $20 \$$ per mile
C) $\$ 21$ per day; $11 \$$ per mile
D) $\$ 20$ per day; $10 \$$ per mile