Problema Solution
Some hikers made the round trip on a mountain trail in 10 hrs. It took three times longer to hike up thank to hike down. How many hours did it take to hike up the trail
Answer provided by our tutors
let
x = the hours of the hike up
y = the hours of the hike down
some hikers made the round trip on a mountain trail in 10 hrs
x + y = 10
it took three times longer to hike up thank to hike down
x = 3y
by solving the system of equations
x + y = 10
x = 3y
we find
x = 7.5 hr
y = 2.5 hr
click here to see the step by step solution of the system of equations
it took 7.5 hours to hike up the trail.