First to gets ! a school needs $5,000 to buy new books for the library. so far, the school has raised 75% of the money they need. how much money has the school raised so far?

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.