Packaging By cutting away identical squares from each corner of a rectangular piece of cardboard and folding up the resulting flaps, an open box may be made. If the cardboard is 21 in. long and 5 in. wide, find the dimensions (in inches) of the box that will yield the maximum volume. (Round your answers to two decimal places if necessary.) smallest value .9 X in largest value X in Need Help? Read It Master It Submit Answer [1/1 Points] DETAILS PREVIOUS ANSWERS TANAPCALC10 4.5.011.MI. MY NOTES PRACTICE ANOTHER Minimizing Packaging Costs recta