A community for students.
Here's the question you clicked on:
 0 viewing
anonymous
 3 years ago
PLZ help! Problem in description...
anonymous
 3 years ago
PLZ help! Problem in description...

This Question is Closed

anonymous
 3 years ago
Best ResponseYou've already chosen the best response.0Building A was built 10 years before building B and 5 years after building C. In 20 years, the combined ages of building A and building C will be 3 times that of building B. What is the present age of each building?

Compassionate
 3 years ago
Best ResponseYou've already chosen the best response.1""let A be 'a' years old B be 'b' yrs old and C be 'c' years old. a = b+10 c = a + 5 a +20 + c +20 = 3 (b + 20) a + 20 + a + 5 + 20 = 3 (a 10 + 20) 2a + 45 = 3a + 30 a =15 b = a  10 = 5 c = a + 5 = 20""  Yahoo Answers
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.