X=1, y=4
Substitute 4x in for y in the second equation and you get 5x=5. Divide out 5 and you get x=1. Then, you can plug 1 in for x into either equation and solve for y.
Answer:
4 x 8.5 x 12.5 =425 (multiple hight x width x length)
The volume of the box is 
Step-by-step explanation:

Answer:
the answer is 256
Step-by-step explanation:
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