There are 3 cyan, 9 magenta and 15 yellow printer cartridges in a box. We pick one at random, then pick another one, without replacement.

What is the probability that both of them will be cyan?

i can't see the picture : /

answer:  

step-by-step explanation:

odd numbers are only divisible by 1 and itself.

even numbers are divisible by more than 1 and itself.

for example 6 is even because it is divisible by more than 1 and its self. 1 x 6= 6 ; 2 x 3= 6

and 7 is odd because only 7 x 1 equals seveb