Question: Parcel Post Regulations Postal regulations specify that a parcel sent by priority mail may have a combined length and girth of no more than 1

Parcel Post Regulations Postal regulations specify that a parcel sent by priority mail may have a combined length and girth of no more than 138 in. Find the dimensions of the cylindrical package of greatest volume that may be sent via priority mail. (Hint: The length plus the girth is 2r + l.)
A cylinder has a length of l and a radius of r.
r=
Incorrect: Your answer is incorrect.
in
l =
Incorrect: Your answer is incorrect.
in
What is the volume (in cubic inches) of such a package?
Incorrect: Your answer is incorrect.
in3

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