24+z/10 = 31 solve for Z

What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68

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.

Atemperature of 1.64◦f corresponds to answer in units of ◦c.