linear eqn in one variable
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let the distance uphill be xkm , speed=2km/hr
time taken to go uphill=x/2hr
distance to be covered downhill=x-4km
speed=3km/hr
time taken to come down=x-4/3 hr
total time =x/2 + (x-4)/3 hr=(5x-8)/6hr=7hr
5x-8=7*6=42
5x=42+8=50
x=50/5=10km
pls mark as brainliest
time taken to go uphill=x/2hr
distance to be covered downhill=x-4km
speed=3km/hr
time taken to come down=x-4/3 hr
total time =x/2 + (x-4)/3 hr=(5x-8)/6hr=7hr
5x-8=7*6=42
5x=42+8=50
x=50/5=10km
pls mark as brainliest
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