So if you have two triangles and you can transform one of them into the other ,the two triangles are congruent
If you do 24.75-12.45 you get 12.30. So there you go!
Just convert all your measurements. 1gallon is 4 quarts. So 9 gallons= 36qt and 6 gallons= 24qt so the question becomes 36qt+1qt+24qt+1qt=62qt or 15.5 gallons.
I don’t know this is a random guess but I’ll say radius = 10 inches and height= 8 inches
