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what is the cost price? markon percent is 21% and the selling price is $99.99
assume that markon is a percent of the selling price

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Aliwohaish12
Hi there :-)

Let the cost be x
The markup 0.21
The selling price 99.99
x+0.21x=99.99
Solve for x
1.21x=9.99
X=99.99÷1.21
X=82.64 is the cost price

Hope it helps

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