Number of cow=14 Each Cow drink 15 gallon Bucket volume = 2 quarts
1 gallon is equal to 4 quarts. Bucket vol= 0.5 gallon For each cow= 15/0.5 = 30 times for each cow. Since there are 14 cows, 30 x 14 = 420 times for 14 cows Thus, each day he have to take total of 420 times for 14 cows.