Question
Mira bought a painting for Rs. '5x'. She spent Rs. 'x +
800' on restoration and sold it to Neil for Rs. '9x - 400'. Calculate 'x' if Mira made a profit of 30%.Solution
ATQ, Total cost price of the painting for Mira = 5x + x + 800 = Rs. '6x + 800' Selling price of the painting = 1.30 × (6x + 800) = 9x - 400 7.8x + 1040 = 9x - 400 1.2x = 1440 x = 1200 So, the value of x = 1200.
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