Ava45018
Ava45018
31-03-2018
Mathematics
contestada
How do u do this???????
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dannielle
dannielle
31-03-2018
2x-y=60/100* 5y
2x-y= 6*5y/10
2x-y=3y
2x=3y+y
2x=4y | :2
x=2y | :x
1=2y/x :2
⇒
y/x= 1/2
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