SOLUTION: dylan drove to the beach which is36 kilometers away at 48 kph he drive home the next day at 60 kph how many hours did he spend driving? How do I set this up????

Algebra.Com
Question 227076: dylan drove to the beach which is36 kilometers away at 48 kph he drive home the next day at 60 kph how many hours did he spend driving?
How do I set this up????

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
You need 2 equations: 1 for going to the beach,
and one for returning


given:
km
km/hr
km/hr
---------------------
I can now rewrite the equations


This is 2 equations and 2 unknowns, so I can solve


and


Note that
hr x min/hr = min
and
hr x min/hr = min
min
min
and

He spent 1 hour and 21 min driving
check answer:



and


OK

RELATED QUESTIONS

Dylan drove to the beach,which is one hundred thirty-six kilometers away,at forty-eight... (answered by checkley77)
Thomas drove 60 kilometers at a constant rate of speed. If he had driven 40 kph faster,... (answered by checkley71)
Katrina drove her car to Boston at a speed of 100 kph (kilometers per hour). She drove... (answered by ankor@dixie-net.com)
A man drove 156 km at a constant rate. If he had driven 5km/hr. faster he would made the... (answered by josmiceli,lwsshak3)
a boy went out into the barangay on his bike at 5 kph. He rested for 2 hours and returned (answered by josmiceli)
I need to know the formula for this. Thanks! Ann drove 60 kph and then 80 kph. The total (answered by mananth)
Jojo set out on a bike. After walking for sometime at 5 kph, he caught a ride back home... (answered by josgarithmetic,greenestamps)
Firneed help urgent! 1. Two planes leave NAIA at 4 p.m., one traveling east at 850 kph (answered by Targetweek)
Hi.Thanks for responding and helping me solve this problem.Please show the work. 1.For... (answered by ankor@dixie-net.com)