Refer to the figure for Exercise 53. Assume L, W, and H are in feet. Write a function in terms of L, W, and H that gives the total area of the material required to build the box.

Exercise 53

Extra postage is charged for parcels sent by U.S. mail that are more than 84 in. in length and girth combined. (Girth is the distance around the parcel perpendicular to its length. See the figure.) Express the combined length and girth as a function of L, W, and H.

Transcribed Image Text:

H L W Length FIRST CLASS Girth