7x + y = 15
x = y+ 1

Solve for substitution

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?

Which graph represents the equation y =4x

Tatiana reads 40 pages of her book every night for x number of nights. write an expression that shows the number of pages she has read