Question

Madhu buys 5 kg of potatoes at the market if the cost of 2 kg is ₹36 how much will Madhu pay

Answer 1

$\sf{\bold{\green{\underline{\underline{Given}}}}}$

• Cost of 2kg = Rs. 36

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$\sf{\bold{\green{\underline{\underline{To\:Find}}}}}$

• Cost of 5kg = ??

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$\sf{\bold{\green{\underline{\underline{Solution}}}}}$

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• Using unitary method

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What is unitary method ?

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• It is the method of finding the value of many units by first finding the value of one unit and then multiplying it with the Given number of units

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Cost of 2kg = Rs. 36

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Cost of 1kg = Rs. 36 / 2

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⠀⠀⠀⠀⠀⠀⠀ = Rs. 18

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Cost of 5kg = 5 × 18

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Cost of 5kg = Rs. 90

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$\sf{\bold{\green{\underline{\underline{Answer}}}}}$

• Cost of 5kg of potatoes is Rs. 90