19. 144 miles on 4.5 gallons
![19 144 miles on 45 gallons class=](https://us-static.z-dn.net/files/d3b/3bf30c747ed50b5ea987cb01a28e474b.png)
Step-by-step explanation:
To find the amount of miles on one gallon,
[tex] \frac{144 \div 4.5}{4.5 \div 4.5} = \frac{32}{1} [/tex]
Hence, 32 miles per gallon.