Question

Sofia bought 1.250 litre milk at rupees 19 per litre. How much did the milk cost her? ​

Answer 1

Answer:

cost of the milk will be 22 rupees

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Answer 2

Answer:

Cost of $1.250$ litre milk is Rs. $23.75$.  

Step-by-step explanation:

Given : Cost of $1$ litre milk = Rs. $19$

To find : Cost of $1.250$ litre milk = ?

Solution :

• It is given that Cost of $1$ litre milk = Rs. $19$
• We have to find the cost of $1.250$ litre milk.
• To find the cost of $1.250$ litre milk, we have to add the cost of one litre milk and the cost of $250$ ml milk.
• Let, $x$ be the cost of $250$ ml milk.
• We know that,

           $1$ litre = $1000$ ml

• Now, to find the cost of $250$ ml milk, the ratio becomes,

      $\frac{250}{1000} = \frac{x}{19}$

      ∴ $x=\frac{250*19}{1000}$

      ∴  $x=\frac{4750}{1000}$

      ∴  $x=4.75$

• ∴ Cost of $250$ ml milk is Rs. $4.75$.
• Now, cost of  $1.250$ litre milk = Cost of $1$ L milk + Cost of $250$ ml milk

                                                = $19+4.75$

                                                = Rs. $23.75$    

• ∴ Cost of $1.250$ litre milk is Rs. $23.75$.