B)1.2 x is a mathematical expression for the selling price.
What is the selling price?
The selling price is the charge that a purchaser will pay to purchase a product or a commodity. It's miles a price above the value price and consists of a percentage of income additionally. Cost price is the price at which the seller purchases the product or the commodity.
Maria bought a stock for x dollars.
Cost of stocks = x dollars.
sold it at a profit of 20 %.
The selling price is given below.
= x + 20%
= 1.2x
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