You buy 20 cupcakes for $15 and are going to sell them for $2 each. You want to write an expression that represents how much money you will make each day that you sell cupcakes. Which of these quantities should be represented by a variable?(1 point)
Responses x chose only one
the amount of money you spent on the cupcakes
the number of cupcakes you bought
the number of cupcakes sold
the cost of each cupcake sold