Answer:
The number of gallons are "18".
Step-by-step explanation:
According to the question,
⇒ [tex]\frac{5}{6} V-\frac{1}{3}V =9 \ gallons[/tex]
On taking L.C.M, we get
⇒ [tex](\frac{5-2}{6})V =9[/tex]
⇒ [tex]\frac{3}{6}V=9[/tex]
⇒ [tex]V=9\times 2[/tex]
⇒ [tex]V=18[/tex]
