Question

Maria bought a stock for x dollars, and she sold it at a profit of 20 %. Write a

mathematical expression for the selling price.

Answer 1

Answer: 1.2x

Explanation:

Profit = Selling price - Cost

She bought the stock at a cost of x dollars

Her profit was 20% of that, which is 0.2x dollars

Selling price = Profit + Cost = x + 0.2x = 1.2x