A chemical manufacturer wants to lease a fleet of 28 railroad tank cars with a combined carrying capacity of 420 000 gallons

Question

A chemical manufacturer wants to lease a fleet of 28 railroad tank cars with a combined carrying capacity of 420 000 gallons Tank cars with three different carrying capacities are available 6 000 gallons 12 000 gallons and 24 000 gallons How many of each type of tank car should be leased Let x be the number of cars with a 6 000 gallon capacity x be the number of cars with a 12 000 gallon capacity and x3 be the number of cars with a 24 000 gallon capacity Select the correct choice below and fill in the answer boxes within your choice OA The unique solution is x and x3 Simplify your answers B There are multiple possible combinations of how the tank cars should be leased The combinations are obtained from the equations X 2t 49 x 3t 77 and x3 t forsts Simplify your answers Type integers or simplified fractions OC There is no solution X

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