Question

va rog ajutați-ma urgent ​

Answer 1

x/y=5/13

a)(x+y)/y=x/y+1=5/13+1=(5+13)/13=18/13

b)x/(y+x)=1/(y/x+1)=1/(13/5+1)=5/18

c)(y-x)/x=y/x-1=13/5-1=(13-5)/5=8/5