Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
If r = 5 z then 15 z = 3 y, then r =
(A) y
(B) 2 y
(C) 5 y
(D) 10 y
 one year ago
 one year ago
If r = 5 z then 15 z = 3 y, then r = (A) y (B) 2 y (C) 5 y (D) 10 y
 one year ago
 one year ago

This Question is Closed

nphuongsun93Best ResponseYou've already chosen the best response.0
r = 5z ?r = 15z ?r = 15z = 3y
 one year ago

rambo2210Best ResponseYou've already chosen the best response.0
@frx can you please solve this?
 one year ago

frxBest ResponseYou've already chosen the best response.1
So what you wanna find is what r is in terms of y
 one year ago

frxBest ResponseYou've already chosen the best response.1
r=5z and 15z=3y so the conclution from that is that 5z is 1/3 of 15z, right?
 one year ago

rambo2210Best ResponseYou've already chosen the best response.0
so final answer is "A"?
 one year ago

frxBest ResponseYou've already chosen the best response.1
Another formulation: you know that 15z=3y and you want to find 5z
 one year ago

frxBest ResponseYou've already chosen the best response.1
You can also set it as an equationsystem
 one year ago

rambo2210Best ResponseYou've already chosen the best response.0
yeap got it. thank you.
 one year ago

frxBest ResponseYou've already chosen the best response.1
\[r=5z \] \[z=\frac{r}{ 5 }\] \[15z=3y\] \[15\frac{ r }{5 }=3y\] \[3r=3y\] \[r=y\]
 one year ago
See more questions >>>
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.