A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 5 years ago
marie and Lucy left from the same place and the same tim drove in opposite directions along a straighrt road. Marie drove 15 miles faster than Lucy. After 3 hours, they were 315 miles apart. Find the rate at which each travled.
anonymous
 5 years ago
marie and Lucy left from the same place and the same tim drove in opposite directions along a straighrt road. Marie drove 15 miles faster than Lucy. After 3 hours, they were 315 miles apart. Find the rate at which each travled.

This Question is Closed

sgadi
 5 years ago
Best ResponseYou've already chosen the best response.0speed of marie = 60mph speed of lucy = 45mph

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0thanks can you show me the steps.

sgadi
 5 years ago
Best ResponseYou've already chosen the best response.0distance = 315 time = 3 hours so, speed (s)= 315/3=105 but given that speed of marie (m) is 15mph greater than the speed of lucy (l) \[m=l+15\] Total speed \[s=l+m=2l+15=105 \Rightarrow l=45\] so, \[m=l+15=60\]

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0Thank you so much for your help
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.