A vendor loses the selling price of 5 mangoes on selling 20 mangoes. His loss percentage is ......................
method 1
Selling price of 1 mango = y
so, selling price of 5 mangoes = 5y
and selling price of 20 mangoes = 20y
cost price of 20 mangoes = 20y + 5y = 25y
loss percentage = 100 x (loss/ cost price) = 100 x 5y/25y = 20%
method 1
Selling price of 1 mango = y
so, selling price of 5 mangoes = 5y
and selling price of 20 mangoes = 20y
cost price of 20 mangoes = 20y + 5y = 25y
loss percentage = 100 x (loss/ cost price) = 100 x 5y/25y = 20%
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