Question

Pure milk cost rs 3.60 per litre. A milkman adds water to 25 litres of pure milk and sells the mixture at rs 3 per litre.How many litres of water does he add

Answer 1

Answer:

the formula is very complex

let the quantity of water be x.

so

3.6*25=(x+25)*3

90.0=3x+75

3x=90-75

3x=15

x=15/3

x=5

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Answer 2

He add 5 litres of water.

Step-by-step explanation:

Consider the provided information.

Pure milk cost rs 3.60 per litre. A milkman adds water to 25 litres of pure milk and sells the mixture at rs 3 per litre.

Let x is the litres of water added to milk.

The quantity of milked increased by x and they sell it for 3 per litre.

$3(x+25)$

The money he spend is: $3.6\times25$

Equate both the equations.

$3.6\times25=3(x+25)$

$90=3x+75$

$3x=15$

$x=5$

Hence, he add 5 litres of water.

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