I need help with this, pls put step by step ​

You give a $4 tip for a meal that cost $22. approximately what percent of the bill was your tip?

Question 10 of 211 pointuse the elimination method to solve the system of equations. choose thecorrect ordered pair.10x +2y = 643x - 4y = -36a. (4,12)b. (-3, 11)c. (2,10)d. (-5, 8)

Change negative exponents to positive. then solve. round to four decimal places