Hey!
Grape over total: 
After he drinks 1, there will be 1 less. That means it will be over 11
Orange over total: 
Now multiply the fractions

That means the probability is: 
Good luck and hope this helps! :)
The length of the wall would be 52 inches,why because you know that i inch iss 6 ft and because you already have 8 inches go ahead and multiply 8 by 6 and you get 48. you need to figure out what is 2/3 of 6 and it is 4 because 2 goes into 6 three times so 2+2 is 4. let me know if this helps you at all or if you have any questions
I would love to help, but what are the options?