Question

Fie proporția x/y=2/9.Aflati:
a) x+y/y
b)x/x+y
c)x+2/y+9
d)3x+4y/4y
Heeeeeellllpppppp!!!

Answer 1

X/y=2/9  x+y/y=2+9/9  x+y/y=11/9    ×/x+y=2/2+9   x/x+y=2/11                       x+2/y=2+2/9    ×+2/y+9=4/9+9   ×+2/y+9=4/18   3×/4y=3×2/4×9                    3×/4y=6/36    3×+4y/4y=6+36   3×+4y/4y=42/36