A community for students. Sign up today!
Here's the question you clicked on:
 0 viewing
 2 years ago
Christopher is 4 times as old as Michael. Ten years ago, Christopher was 9 times as old as Michael.How old is Christopher now?
 2 years ago
Christopher is 4 times as old as Michael. Ten years ago, Christopher was 9 times as old as Michael.How old is Christopher now?

This Question is Closed

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2Let the present age of Christopher and Michael be x and y then, x=4y ........i x10 = 9(y10) .....ii

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2Solve that two equations

sws._.
 2 years ago
Best ResponseYou've already chosen the best response.1for x in the second equation do I put 4y? so the equation would look like 4y10=9(y10) ?

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2Yep....... Now solve for y

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2Then plug the value of y u get in eqn i to find x

sws._.
 2 years ago
Best ResponseYou've already chosen the best response.1when i was solving the equation with the y i distributed and got 4y10=9y90

sws._.
 2 years ago
Best ResponseYou've already chosen the best response.1then after that i added 9y to 4y

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.24y10=9y90 10+90=9y4y

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2So, what is the value of y

sauravshakya
 2 years ago
Best ResponseYou've already chosen the best response.2Now what is the value of x then
Ask your own question
Ask a QuestionFind 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.