You are selling lemonade for $1.50, a bag of kettle corn for $3, and a hot dog for $2.50. How do you write and simplify an expression for the amount of money you receive when #p# people buy one of each item?
Let the number of people be
The amount received from the people buying ONE of each item is written as:
Money received =
Or you can work it out according to the money that each one of the people spent.
Cost of one lemonade, one bag and one hot dog
Money received from
Although the two answers are the same, each method uses a different way of thinking.