19. At a restaurant. Levy's total bill is $46. If he wants to tip 15% how much should
he leave as a tip?
A. $690.00
В.
$31.00
C. $15.00
D $6.90

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.