Question

If x:y=4:5, then (4x+5y):(5x-2y)is equal to

Answer 1

Answer:

41/10 ;

Step-by-step explanation:

Given :

x/y=4/5 ;

it implies 5*x=4*y;

x=4*y/5;

So ,

put it in given equation (4*x+5*y):(5*x-2*y)

=(4*(4*y/5)+5*y)/(4*y-2*y)          because 5*x=4*y ;

=   41/10 ;