# How much percent above the cost price should a shopkeeper mark his goodles such that after allowing a discount of 9 percent he still gains 12 percent?

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by chait

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by chait

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after allowing a discount of 9%

0.91x

still gains 12%

1.12of CP=0.91x

⇒CP=0.8125x

so he should mark his price up by 0.1875x

% above CP=23.07%

Then SP according to the given gain=

We know the SP and D% now we'll find the MP=

100-D% 100- 9 91

so he should mark the MP 23.5% above the CP

: )