Question
If a shopkeeper earns a profit on selling 30 metres of
fabric equal to the cost price of 6 metres of the fabric, determine the profit percentage.Solution
ATQ,
Let the selling price of 1 metre cloth be Rs. βSPβ and the cost price of 1 metre cloth be Rs. βCPβ.
ATQ,
30 Γ SP β 30 Γ CP = 6 Γ CP
Or, 30 Γ SP = 36 Γ CP
Or, SP/CP = 36/30 = 6/5
Required profit percentage = {(6 β 5)/5} Γ 100 = 20%
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