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of 10: Our car has a 15-gallon gas tank. A lower grade of gasoline costs $2.96 per gallon. The premium...

QUESTION 5 of 10: Our car has a 15-gallon gas tank. A lower grade of gasoline costs $2.96 per gallon. The premium grade gasoline costs $3.15 per gallon. There are three gallons left in your gas tank. What is the difference in the cost of filling your tank between the two grades of gasoline?
a) $2.05
b) $2.28
c) $35.52
d) $44.40

Answer

To find the difference in the cost of filling the tank between the two grades of gasoline, calculate the cost for each and subtract them:

  1. Lower grade cost: (15 gallons - 3 gallons) × $2.96 = 12 gallons × $2.96 = $35.52
  2. Premium grade cost: (15 gallons - 3 gallons) × $3.15 = 12 gallons × $3.15 = $37.80
  3. Difference: $37.80 - $35.52 = $2.28

Answer: b) $2.28

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