3. Shanti bought lemons at 7 for 6 and sold them at 6 for $7.
(1) Find her profit percentage.
(ii) How many lemons would she have to sell to earn a profit of 365?
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Answer:
(I) 36.11%
Step-by-step explanation:
CP = ₹6/7 and SP = ₹7/6
profit = SP-CP = 7/6-6/7 = 13/42
profit percentage = (profit/CP)x100
= (13/42)/(6/7) ×100 = (13/36)x100 = 36.11%
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