Aubrys dinner cost $85. she tips the waitstaff 30% for excellent service. How much does Aubry tip the waitstaff?

Me what is the value of x? showing work would be appreciated - ! : )

How is working backward similar to solving an equation?

The equation |pl = 2 represents the total number of points that can be earned or lost during one turn of a game. which best describes how many points can be earned or lost during one turn? o o -2 2 oor 2 -2 or 2 o