Solve the problem
-A piece of cardboard is twice as long as it is wide. It is to be made into a box with an open top by cutting 2 cm squares from each corner and folding up the sides. Let x represent the width of the
Original piece of cardboard. Find the width of the original piece of cardboard, x, if the volume of
The box is 1152 cm3.
A) 16 cm
B) 19 cm
C) 20 cm
D) 21 cm

Question

Quizplus · Accepted Answer

The volume of the box is given by V = (x - 4)(2x - 4)(2), where x is the width of the cardboard. Solving the equation (x - 4)(2x - 4)(2) = 1152 gives x = 20 cm.

Solve the Problem -A Piece of Cardboard Is Twice as Long as It