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If olu is twice as old as funmi if the sum of their ages is 60 how old is olu

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.

Which point-slope form equation represents a line that passes through (3,-2) with a slope of -4/5