Question 125

A shopkeeper allows a discount of 10% to his customers and still gains. 20%. Find the marked price of the article which costs 450.

Solution

CP = 450
MP = x
SP = 0.9x
gain = 20% = $$\frac{SP-CP}{CP}$$
0.2 = $$\frac{0.9x - 450}{450}$$
x= 600

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