Mrs. robert is 3 times as old as her son. the sum of their ages is 48 years. how old was mrs. robert when her son was born? explain how you solve.

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