Water cooler
holds = 50 pt of water
1 L≈1.06 qt (which is the value of US liquid quart)
1.06 qt = 2.12 pt (which is the value of US liquid pint)
So when we are calculating how many liters of water cooler holds,
divide the 50pt with 2.12pt
50pt/2.12pt = 23.6 Liters
So 23.6 is the correct answer.
