Question

A tea stall owner uses 20 mL of milk to make one cup of tea He bought 12 L of milk and made 500 cups of tea How much milk was he left with

Answer 1

12000/20 = 600 cups
he used 500 so 100 cups milk is left
100 cups = 2 litres of milk

Answer 2

Remaining milk is 2 L .

Step-by-step explanation:

According to the questions,

20 ml of milk  = 1 cup of tea

He bought 12 L of milk and made 500 cups,

That means ,

12 L = $12\times 1000$

12 L = 12000 ML

∵ 1 cup of tea = 20 ML

Then,

500 cups = $20\times 500$

500 cups  = 10000 ML

Remaining milk = 12000 - 10000

Remaining milk  = 2000 ML = 2 L

Or,

Remaining milk is 2 L .