If you are finding the probability of the marbles being drawn that are pink are orange you first find the total: 28. Then you find the the amount of marbles that are either pink or orange; in this case its 17. Finally you take the amount of pink and orange marbles and divde it by the total amount
17+7+4= 28
Pink or orange marbles 17+7= 24
Probability 28/28=.857
or 86% chance that a marble being drawn is pink or orange
(3,y),
4x-2y=24
4(3)-2y=24(substitute x with 3)
12-2y=24
-2y=24-12(subtract both sides by 12)
-2y=12
y=-12/2 (divide both sides by -2)
y=-6
Answer
(3,-6)