Susan pulls into the local convenience store to fill her car up with gas. The 89-octane gas is selling for $2.22 a gallon. She uses the pay at the pump feature and decides to get her car washed for an extra $5.00. What is the total amount of her purchase if she gets 10 gallons of gas?
$29.70
$22.20
$28.20
$27.20
@sangya21

Question

Susan pulls into the local convenience store to fill her car up with gas. The 89-octane gas is selling for $2.22 a gallon. She uses the pay at the pump feature and decides to get her car washed for an extra $5.00. What is the total amount of her purchase if she gets 10 gallons of gas?
$29.70
$22.20
$28.20
$27.20
@sangya21

anonymous · Answer

rate of a gallon = $2.22
rate for 10 gallons = 10*$2.22 = $22.20
add $5.00 for car washing 
total = $22.20 +$5.00 = $27.20