2. The profit on a cup is \( 35 \% \) of the cost price. If the profit is PKR 280 , find \( \begin{array}{ll}\text { (i) the cost price, } & \text { (ii) the selling price, } \\ \text { of the cup. } & \end{array} \)
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To find the cost price when the profit is \( 35\% \) and the profit amount is PKR 280, we can use the formula for profit: \[ \text{Profit} = \text{Cost Price} \times \text{Profit Percentage} \] Let the cost price be \( CP \). From the information, we know: \[ 280 = CP \times 0.35 \] Solving for \( CP \): \[ CP = \frac{280}{0.35} = 800 \text{ PKR} \] Now, to find the selling price (SP), we use the formula: \[ \text{Selling Price} = \text{Cost Price} + \text{Profit} \] So, \[ SP = 800 + 280 = 1080 \text{ PKR} \] Thus, the cost price is PKR 800 and the selling price is PKR 1080.