If 2<x<4 and 3<y<7 the largest integer value of x+y is

What value of x is in the solution set of –5x – 15 > 10 + 20x?

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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.