Got Homework?
Connect with other students for help. It's a free community.
Here's the question you clicked on:
 0 viewing
rambo2210
Group Title
If r = 5 z then 15 z = 3 y, then r =
(A) y
(B) 2 y
(C) 5 y
(D) 10 y
 2 years ago
 2 years ago
rambo2210 Group Title
If r = 5 z then 15 z = 3 y, then r = (A) y (B) 2 y (C) 5 y (D) 10 y
 2 years ago
 2 years ago

This Question is Closed

nphuongsun93 Group TitleBest ResponseYou've already chosen the best response.0
r = 5z ?r = 15z ?r = 15z = 3y
 2 years ago

rambo2210 Group TitleBest ResponseYou've already chosen the best response.0
please explain.
 2 years ago

rambo2210 Group TitleBest ResponseYou've already chosen the best response.0
@frx can you please solve this?
 2 years ago

frx Group TitleBest ResponseYou've already chosen the best response.1
It's A. let me explain
 2 years ago

frx Group TitleBest ResponseYou've already chosen the best response.1
You got \[r=5z; 15 z=3y\]
 2 years ago

frx Group TitleBest ResponseYou've already chosen the best response.1
So what you wanna find is what r is in terms of y
 2 years ago

frx Group TitleBest 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?
 2 years ago

frx Group TitleBest ResponseYou've already chosen the best response.1
That means that r=5z=y
 2 years ago

rambo2210 Group TitleBest ResponseYou've already chosen the best response.0
so final answer is "A"?
 2 years ago

frx Group TitleBest ResponseYou've already chosen the best response.1
Another formulation: you know that 15z=3y and you want to find 5z
 2 years ago

frx Group TitleBest ResponseYou've already chosen the best response.1
Do you get it? :)
 2 years ago

frx Group TitleBest ResponseYou've already chosen the best response.1
You can also set it as an equationsystem
 2 years ago

rambo2210 Group TitleBest ResponseYou've already chosen the best response.0
yeap got it. thank you.
 2 years ago

frx Group TitleBest ResponseYou've already chosen the best response.1
\[r=5z \] \[z=\frac{r}{ 5 }\] \[15z=3y\] \[15\frac{ r }{5 }=3y\] \[3r=3y\] \[r=y\]
 2 years 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.