Identify the system of linear equations from the table of values given below

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount

Jane’s favorite fruit punch consists of pear, pineapple, and plum juices in the ratio 5: 2: 3. chapter reference how much punch can she make if she has only 6 cups of plum juice?

Cd is the perpendicular bisector of both xy and st, and cy=20. find xy.