The cost of 7by2 kilogram wheat is rupees 63. How much will 5by4 kilograms wheat cost
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it means 7/2×x=63
so x=rs 18 = rate of 1 kg wheat
now,
cost of 5/4kg wheat=5/4×18
=rs 22.5
so x=rs 18 = rate of 1 kg wheat
now,
cost of 5/4kg wheat=5/4×18
=rs 22.5
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