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 with a variable?(1 point)%0D%0AResponses%0D%0A%0D%0Athe cost of each cupcake sold%0D%0Athe cost of each cupcake sold%0D%0A%0D%0Athe number of cupcakes you bought%0D%0Athe number of cupcakes you bought%0D%0A%0D%0Athe number of cupcakes sold%0D%0Athe number of cupcakes sold%0D%0A%0D%0Athe amount of money you spent on the cupcakes

The quantity that should be represented with a variable is the number of cupcakes sold.