Answer:
0.583
Step-by-step explanation:
Use a caluclator
i think its this.. ._.
if red is 10, and pulling a blue is 2, there is a 10/15 chace you will get a red, but a 2 out of 15 chance you will get a blue
-2x + 7/5
(7-10x)/5
= +
= -2x + 7/5
