4 less than four times a number is equal to three times the same number plus 1.

Given the following statements, which is the best

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?

Need showing work for this problem 56.25 ×25.80