Solve
-A Gas Station Sells 4820 Gallons of Regular Unleaded $\$ 1.35$

Solve.
-A gas station sells 4820 gallons of regular unleaded gasoline in a day when they charge $\$ 1.35$ per gallon, whereas they sell 3922 gallons on a day that they charge $\$ 1.40$ per gallon. Find a linear equation that relates gallons sold to price. Use this equation to predict the number of gallons sold at a price of $\$ 1.23$ per gallon. Round to the nearest tenth when appropriate.

A) $6979.3 \mathrm { gal }$
B) $6975.2 \mathrm { gal }$
C) $6984.2 \mathrm { gal }$
D) $6971.9 \mathrm { gal }$