Pa help po pls pls pls​

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

What’s the answer ? use the picture to see the problem

Graph the line y=4/3 x+1 . use the line tool and select two points on the line.