A chemical manufacturer wants to lease a fleet of 28 railroad tank cars with a combined carrying capacity of 564,000 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?
+37146 by graphical means you could have several combos
6000 gal 12 000 24 000
# cars (=28)
2 6 20 cars = 564000 gal
4 3 21 = 564000
6 0 22 = 564000
0 9 19 = 564000
