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

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

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

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

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

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

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

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

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