Grady marks down some $2.49 pens to $1.99 for a week and then marks them back up to $2.49.Find the percent of decrease and then the percent of increase to the nearest tenth. Separate your answers with a comma.

The price for gasoline is represented by the equation y=3.69x, where y represents the total price for x gallons of gasoline. on a graph, the number of gallons is represented on the horizontal axis, and the total price is represented on the vertical axis. determine whether each statement describes the graph of the equation. select true or false for each statement