Which 2 equivalent fractions are shown on these number line? 1/2=2/4
2/3=2/6
2/3=4/6
2/3=4/8

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.