a dealer on selling 20m of cloth earns a profit that is equal to the cost price if 5mof the cloth.find his profit percentage
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Answer:
Let the cost price of 20 m cloth be X
Therefore,
cost of 1 m cloth = X/20
cost of 5 m cloth = X/20 × 5
= 5X/20
= X/4
Therefore,
Profit = cost of 5 m cloth
= X/4
By formula,
Profit℅ = (profit/c.p × 100) ℅
= {(X/4) / X× 100} ℅
= (X/4 × 1/X) × 100 ℅
= (X/4X × 100) ℅
= (1/4 × 100) ℅
= 100/4 ℅
= 25℅
Answer :- His profit℅ is 25℅.
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