If a kg of grapes costs ₹30. Then one and a half kg grapes will cost .

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Solution

1 kg of grapes costs ₹30.
Cost of one and half kg grapes = $1 \frac{1}{2} \times 30 = 1 \times 30 + \frac{1}{2} \times 30 = 30 + 15 = ₹ 45$

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If a kg of grapes costs ₹30. Then one and a half kg grapes will cost .

1 kg of grapes costs ₹30. Cost of one and half kg grapes = 112×30=1×30+12×30=30+15=₹45

1 kg of grapes costs ₹30.
Cost of one and half kg grapes = $1 \frac{1}{2} \times 30 = 1 \times 30 + \frac{1}{2} \times 30 = 30 + 15 = ₹ 45$