A cross-country skier traveled at a rate of 40 miles per hour on downhills and 20 miles per hour on flat terrain while skiing a

Question

Alika [10]

3 years ago

14

A cross-country skier traveled at a rate of 40 miles per hour on downhills and 20 miles per hour on flat terrain while skiing a

total 54 miles. If he skied for 2 hours, how many miles of downhills did he ski? PLEASE HELP

Mathematics

2 answers:

damaskus [11] · Answer 1 · 2021-12-10T06:07:10+03:00

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.

Sholpan [36] · Answer 2 · 2021-12-10T04:12:16+03:00

Sholpan [36]3 years ago

3 0

Your answer would be 80 miles.
Hoped this helped!
Please put brainless answer, 1 away from getting goal of 5!