PLEASE HELP!
Jolie pulls into the local convenience store to fill her car up with gas. The 89-octane gas is selling for $2.12 a gallon. She uses the pay at the pump feature and decides to get her car washed for an extra $6.00. What is the total amount of her purchase if she gets 10 gallons of gas?
A.
$29.70
B.
$28.20
C.
$27.20
D.
$21.20