A car has traveled 1/5 of the total distance in 3/4 of an hour. How long, at this rate, will it take the car to complete the distance?

Respuesta :

[tex]\dfrac{1}{5}\ -\ \dfrac{3}{4}\\\\1\ -\ x\\\\cross\ multiply\\\\\dfrac{1}{5}x=\dfrac{3}{4}\ \ \ \ |multiply\ both\ sides\ by\ 5\\\\x=\dfrac{15}{4}\\\\x=3\dfrac{3}{4}\ (h)[/tex]

Answer: 3.75h or other form 3h and 45min.