The environmental club at Paul sells gum and candy bars as a fundraiser. One afternoon, they sold $200 worth of candy. They need
to report how many of each item they sold for their club records. Maura knows that they sold 295 items that day. Candy bars sell for 75 cents, and gum sells for 50 cents. How many candy bars and gums did Paul sell?
A line perpendicular to another has a slope that is the negative reciprocal of the slope of the other line. The negative reciprocal of the original line is –2, and is thus the slope of its perpendicular line.