If cost price of 60 notebooks is the same as selling price of 40% of the notebooks then find the gain%.
Please write step by step explaination
By formula method
Please don,t do this in unitary method.
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Answer:
50%
Step-by-step explanation:
The cost price (CP) of 60 notebooks be x.
Hence, cost price of one notebook is x/60
The sale price (SP) of 40 notebooks is x
Hence, sale price of one notebook is x/40
Profit on one notebook = sale price - cost price
Profit = x/40 - x/60
Profit = (3x - 2x)/120
Profit = x/120
Profit percentage = profit/cost price × 100
= (x/120)/(x/60) × 100
= x/120 × 60/x × 100
= 50%
The profit percentage is 50%
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