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Two friends take a 3000-mile cross-country trip together, but they drive their own cars. Car A has a 12-gallon gas tank and averages 40 miles per gallon, while car B has a 20-gallon gas tank and averages 30 miles per gallon. Assume both drivers pay an average of $3.90 per gallon of gas. a. What is the cost of one full tank of gas for car A? For car B? b. How many tanks of gas do cars A and B each use for the trip? c. How much do the drivers of cars A and B each pay for gas for the trip? 37. Gas mileage actually varies slightly with the driving speed

Respuesta :

Answer:

Step-by-step explanation:

a)

Car A = 12 gallon x $2.55 = $30.60

Car B = 20 gallon x $2.55 =$51

b)

Car A = 40 / 12 = 3.333 tank

Car B = 30 / 20 = 1.5 tank

c)

Car A = 3000 / 40 x 3.3333 x $30.60 = 7650

Car B = 3000 / 30 x 1.5 x $51 = 7650

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