Question

If x : y = 3 : 4, then (4x + 5y) : (4x-5y) is

Answer 1

sry it is right to left if any problem cme then ask me

Answer 2

x/y = 3:4    ------ (1)

= (4x+5y/(4x - 5y)

= y(4x/y + 5)/y(4x/y - 5)

= 4 * 3/4 + 5 /  4 * 3/4 - 5

=8 / -4

= -2 : 1