Question

20 litres of a mixture contains milk and water in the ratio 3: 1. How much milk must be added to this
have milk and water in the ratio 4:1?
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Answer 1

In 20 litres of mixture

Quantity of milk

⇒34×20=15 litres

Quantity of water

⇒14×20=5 litres

Let the quantity of milk added be x litres.

According to the question,

⇒15+x5=41⇒15+x=4×5⇒x=20−15⇒x=5 litres

Answer 2

Answer:

3x-x=20

2x=20

x=10

milk = 30

added = 40-30 =10

Step-by-step explanation:

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