victorique

(a) Given that (x-1): (x+1) = 2:3 and x:y = 5:4 , find the values of x and y.

(b) if 1/y : 1/z = 3:5 , express z in term of y and hence find the value of z.

(c) find x/y+z : y/x+z : z/x+y

victorique

This is no a homework , I test maths ~~~