Carey is trying to decide between two guitars. the first had an original price of $160, but is on sale for $100. the second had an original price of $250, but is on sale for $150. which guitar has a greater percent change in price?

Question 10jur's car can travel 340 miles on 12 gallons. jack's car can travel 390 miles on16 gallons. which person has the best mileage (miles per gallon) and what istheir mileage?

The measure of an angle is 117°. what is the measure of a supplementary angle?

Dean and karlene get paid to write songs. dean is paid a one-time fee of $20 plus $80 per day. karlene is paid a one-time fee of $25 plus $100 per day. write an expression to represent how much a producer will pay to hire both to work the same number of days on a song.