23. A package to be mailed using the US postal service may not measure more than 108 inches in length plus girth. (Length is the longest dimension and girth is the largest distance around the package, perpendicular to the length.) Find the dimensions of the rectangular box with square base of greatest volume that may be RX length 'h 3' \\' girth 2.4. Refer to W. Find the dimensions of the cylindrical mailing tube of greatest volume that may be mailed using the US postal mailed. length service