Multiple Choice
Solve the problem.
-The area of a rectangular piece of cardboard shown is 688 square inches. The cardboard is used to make an open box by cutting a 4-inch square from each corner and turning up the sides. If the box is to have a volume of 1120 cubic inches, find the dimensions of the cardboard that must be used. 
A) 16 inches by 43 inches
B) 8 inches by 31 inches
C) 12 inches by 39 inches
D) 20 inches by 47 inches
Correct Answer:
Verified
Correct Answer:
Verified
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