Chas and Tyler have been collecting video games. Chas has 25 video games, and Tyler has m video games. Together they have a total of 65 video games. Write an equation to describe this situation.​

Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.