Multiple Choice
Solve the problem.
-The area of a rectangular piece of cardboard shown is 860 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 1680 cubic inches, find the dimensions of the cardboard that must be used. 
A) 20 inches by 43 inches
B) 24 inches by 47 inches
C) 16 inches by 39 inches
D) 12 inches by 31 inches
Correct Answer:
Verified
Correct Answer:
Verified
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