Answer
(15/8) gallons of water will fill one full pitcher.
Step-by-step explanation
Let the amount of gallons that will fill a full pitcher be x gallons
(3/2) gallons = (4/5) of the pitcher
x gallons = 1 pitcher
Converting the fractions into decimals for easier solving
(3/2) = 1.5
(4/5) = 0.8
1.5 gallons = 0.8 of the pitcher
x gallons = 1 pitcher
We can form a mathematical relationship by cross multiplying
(0.8) (x) = (1) (1.5)
0.8x = 1.5
Divide both sides by 0.8
0.8x ÷ 0.8 = 1.5 ÷ 0.8
x = 1.875 gallons = (15/8) gallons
Hope this Helps!!!