QUICK PLSS 1. jabo orders a meal that cost $20.00. a. If the tax rate is 7.5%, how much will the sales tax be on Jabo's meal? $

b. Jabo also wants to leave a 20% tip for the server? What does he pay the server? $

c. What does he pay in all? $

Marlow is comparing the prices of two trucks rental compaines company a charges $3 per hour and an addtional $75 as serivce charges company b charges $2 per hour and an additional $85 as serivce charges

The anwser cause i do not understand just plez

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?