A community for students.
Here's the question you clicked on:
 0 viewing
LeAnn01Xxx
 one year ago
It took John 12 hours riding his bike to make the round trip to his uncle's. If he averaged 20 mph out and 30 mph back, how long did he travel each way? (Round answer to nearest tenth.)
LeAnn01Xxx
 one year ago
It took John 12 hours riding his bike to make the round trip to his uncle's. If he averaged 20 mph out and 30 mph back, how long did he travel each way? (Round answer to nearest tenth.)

This Question is Closed

Hayleymeyer
 one year ago
Best ResponseYou've already chosen the best response.0Let d = dist traveled one way Write a time equation; time = dist/speed d%2F20 + d%2F30 = 12 multiply eq by 60, results 3d + 2d = 60(12) 5d = 720 d = 720%2F5 = 144 mi one way : Find the time at each speed 144%2F20 = 7.2 hrs at 20 mph 144%2F30 = 4.8 hrs at 30 mph

Hayleymeyer
 one year ago
Best ResponseYou've already chosen the best response.0Does that make since at all? >_<

LeAnn01Xxx
 one year ago
Best ResponseYou've already chosen the best response.0A little but not really :/
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.