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Question
The cost price of 16 notebooks is equal to the selling price of 12 notebooks. Find the gain per cent.
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Solution
16CP = 12SP
1SP = 4/3CP
PROFIT = SP - CP = 4/3CP - CP = 1/3CP
PROFIT % = PROFIT/CP x 100 = 1/3 X 100 = 33.33%
1SP = 4/3CP
PROFIT = SP - CP = 4/3CP - CP = 1/3CP
PROFIT % = PROFIT/CP x 100 = 1/3 X 100 = 33.33%
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