If two adults and three children go to the movies, it costs $31.50. if one adult and five children go to the movies, it costs $35.00. what is the cost of one adult movie ticket?

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.