Simplify the following expression and solve for the assigned value (5r)(-2); for the r= -3

Because of your favorite lemonade it is $3.84 for 3 gallons. write this as an unit rate

What are “like terms”? why can we only add like terms?

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?