An urn of boiling water in an office has a capacity of 20litres. If it filled to maximum capacity, calculate the number of 250ml cups that can be shared from it.
Ok, in a liter there is 1000 milliliters, multiply by 20 to get 20,000, now we know the urn has 20,000 milliliters and we simply divide it by 250 to get about 80 cups
