Elija can jog 3 2/5 miles in 7/8 hour. find his average speed in miles per hour. divide the miles by the hour. type in the whole number.

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.