Respuesta :
Your answer would be 80 miles.
Hoped this helped!
Please put brainless answer, 1 away from getting goal of 5!
Hoped this helped!
Please put brainless answer, 1 away from getting goal of 5!
So you know distance=rate(time). You could use the equation 40(x)+20(2-x)=54. After simplifying, you get x=7/10 or 0.7 hrs. Btw, x represents time downhill, while 2-x represents time on flat terrain since the total is 2. If you don't want to read all that, the answer is 0.7 hrs.