Answer:
50
Step-by-step explanation:
19-7=12
6+6+7+19+12
12 m
perimeter is all of the sides together, so 2 7's and 2 x's. You would subtract 14 from 38 to get 24, then divide it by 2 to get the missing side, which is 12
It would be 45 gallons for 6ft
15 gallons for 2 feet