Can anybody help me-

What are the equivalent ratios for 24/2= /3= /5.5=108/ = /15

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.

I’m really confused and need your assist me with this question i’ve never been taught