Apples are sold at ₹15 3/4 per kg. Find the cost of 6 1/2 kg of Apple's
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Step-by-step explanation:
Direct proportion
Let 13/2 kgs of apple cost x
3/4:15::13/2:x. (product of extremes =product of means)
x=15*13/2/3/4
=₹130
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