Five customers buy 10, 15, 20, 25, 30 toffees respectively from one shop. But the person who bought 20 toffees forgot to pay. If the shopkeeper makes 20% profit, what will be his profit or loss from these flive customers if the person who forgot to pay had paid his amount?
Answers
Given : Five customers buy 10, 15, 20, 25, 30 toffees respectively from one shop. But the person who bought 20 toffees forgot to pay . the shopkeeper makes 20% profit,
To find : what will be his profit or loss from these flive customers if the person who forgot to pay had paid his amount
Solution:
Let say Cost Price of a Toffee = C
Total Toofees Sold = 10 + 15 + 20 + 25 + 20 = 100
Cost Price = 100C
Let say Selling Price = S
Amount Received = 80S
Profit = 20 %
=> 100C + (20/100)100C = 80S
=> 120C = 80S
=> S = 1.5C
if the person who forgot to pay had paid his amount
Then Total Selling Price = 100S = 100*1.5C = 150C
Profit = 50C
Profit % = 50 %
if Question is That Shopkeeper generally makes 20 % profit then what is profit / loss when a customer forgot to pay
S = C + (20/100)C = 1.2S
Then Cost Price = 100C
Sales Price = 80 * 1.2C = 96C
Loss = 4C
Loss % = 4 %
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