The cost of 4 whole 1/2 litres of milk is Rupees 85 , find the cost of 1 litre of milk.

The cost of 4 whole 1/2 litres of milk is Rupees 85 , find the cost of 1 litre of milk.

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  1. Answer:

    [tex]cost \: of \: 4\frac{1}{2} l \: of \: milk \: = 85 \\ cost \: of \: 1 \: l \: milk = 85 \div 4 \frac{1}{2 } \\ = 85 \div \frac{9}{2} \\ = 85 \times \frac{2}{9} \\ = \frac{170}{9} = 18 \frac{8}{9} [/tex]

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