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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?

 Feb 26, 2020
 #1
avatar+6192 
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No there's no solution to this.

 Feb 26, 2020
 #2
avatar+24471 
+1

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

 Feb 26, 2020

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