Question

Daca x/y=2/3 sa se calculeze 7x /7x+y =

Answer 1

$\dfrac{x}{y}=\dfrac{2}{3}$

x=2k
y=3k

$\dfrac{7\cdot 2k}{7\cdot 2k+3k}=\dfrac{14k}{17k}=>\dfrac{14}{17}$

Answer 2

x/y= 2/3
x= 2k
y= 3k

7•2k/7•2k+3k= 14k/17k=> 14/17
cororana?