Answer:
 
 
Explanation:
Given : Martin had 
 pounds of grapes left.
 pounds of grapes left. 
To Find: Which expression shows the pounds of grapes Martin has if he doubles his current amount?
Solution:
Current amount = 
 
 
Now let the amount be x after he doubles the current amount 
So, 
 
 
 
 
 
 
 
 
Hence the expression shows the pounds of grapes Martin has if he doubles his current amount 
