I have a piece of cardboard that is twice as long as it is wide. If I cut a 3-inch by 3-inch square from each corner and fold up the resulting flaps, I get a box with a volume of 240 cubic inches. What are the dimensions of the cardboard?
A) 11 inches by 22 inches
B) 10 inches by 20 inches
C) 14 inches by 28 inches
D) 12 inches by 24 inches
E) 8 inches by 16 inches

Question

I have a piece of cardboard that is twice as long as it is wide. If I cut a 3-inch by 3-inch square from each corner and fold up the resulting flaps, I get a box with a volume of 240 cubic inches. What are the dimensions of the cardboard? 
A) 11 inches by 22 inches 
B) 10 inches by 20 inches 
C) 14 inches by 28 inches 
D) 12 inches by 24 inches 
E) 8 inches by 16 inches

Quizplus · Accepted Answer

The Answer of I have a piece of cardboard that is twice as long as it is wide. If I cut a 3-inch by 3-inch square from each corner and fold up the resulting flaps, I get a box with a volume of 240 cubic inches. What are the dimensions of the cardboard? 
A) 11 inches by 22 inches 
B) 10 inches by 20 inches 
C) 14 inches by 28 inches 
D) 12 inches by 24 inches 
E) 8 inches by 16 inches

I Have a Piece of Cardboard That Is Twice as Long