A shopkeeper buys a box of 20 cans of cola for $10. He sells the cans for 65 cents each. Work out hi

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A shopkeeper buys a box of 20 cans of cola for $10. He sells the cans for 65 cents each. Work out his percentage profit.

Calculate Revenue
Revenue = Sale price per can * number of cans
Revenue = 0.65 * 20
Revenue = 13

Calculate Profit given a cost of $10:
Profit = Revenue - Cost
Profit = 13 - 10
Profit = 3

Calculate Percentage Profit:
Percentage Profit = Profit/Revenue * 100%
Percentage Profit = 3/13 * 100%
Percentage Profit = 0.23076923076 * 100%
Percentage Profit = 23.08%