Answer
50 gallons of water
Explanation:
for every 2 gallons of water there is 1 quart of ice
268 divided by 134 equals 2 which means 134 x 2 = 268
meaning 1 quart of ice = 2 gallons of water
then i multiply 25 by 2 which equals 50 meaning 25 quarts of ice is keeping 50 gallons of water cold