A mailing service places a limit of 66 in. on the combined length and girth of (distance around) a package to be sent parcel post. What dimensions of a rectangular box with square cross-section will contain the largest volume that can be mailed? (Hint: There are two different girths.) The dimensions are x = El and y = V in. in. in. :ample Get more help A Clear all An apple farm yields an average of 31 bushels of apples per tree when 19 trees are planted on an acre of ground. Each time 1 more tree is planted per acre, the yield decreases by 1 bushel (bu) per tree as a result of crowding. How many trees should be planted on an acre in order to get the highest yield? In order to get the highest yield, trees should be planted on an acre. (ample Get more help A Clear all