since the lengths of all those four sides are in a 3:2:6:7 ratio, and the whole perimeter is 126, what we do is, simply divide the whole by (3+2+6+7) and distribute accordingly.

Part A:
Orange Juice

Pineaplle Juice

Club Soda

Part B:

June have 8l of fruit puch left.
I hope it help
Answer is in the photo. I can only upload it to a file hosting service. link below!
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Answer:
V = 36 in³
Step-by-step explanation:
The volume of a rectangular prism is given by the formula V = l × w × h
Here our length is
, our width is 4, and our height is 
Plugging in these values to our formula give us 
V = 36 in³