It would be B, 6.5 inches
Answer:
y =2x+9
Step-by-step explanation:
-2x+y=9
Add 2x to each side
-2x+2x+y=2x+9
y =2x+9
1. 3y
multiplying 3 and y together gets 3y
2. y-5
5 less implies that we subtract 5 from y
3. y+7
adding 7 to y, self-explanatory
4. 9y
same thing as #1
5. ![\frac{y}{8}](https://tex.z-dn.net/?f=%5Cfrac%7By%7D%7B8%7D)
quotient of implies division, since number y is listed first, y is the numerator
3/10 * 2/9 = 1/15
There is a 1/15 chance that both of the shirts he grabbed are black....
:)