Question 548825
$ 6 Candy x kgs
$4.5 candy y kgs

x+y=3....................(1)
6x+4.5y=15................(2)

multiply (1) by -6

-6x-6y=-18
add to (2)
-1.5y=-3
/-1.5
y=2
x=1
$ 6 Candy 1 kg
$4.5 candy 2 kgs