Q:

A rectangular area has dimensions 432 feet by 345 feet. Using front-end estimation on the dimensions, what is an estimate of the amount of fencing required to enclose the rectangular area? A. 1200 ft. B. 1300 ft. C. 1400 ft. D. 1600 ft.

Accepted Solution

A:
Answer:Option C. 1400 ftStep-by-step explanation:we know thatIn a Front End Estimation we keep only one number in the front and all the others became zerosThe perimeter of a rectangular area is equal to[tex]P=2(L+W)[/tex]whereL is the length and W is the widthwe have[tex]L=432\ ft\\W=345\ ft[/tex]Applying front-end estimationwe have[tex]432\ ft=400\ ft\\345\ ft=300\ ft[/tex]Find the perimeter[tex]P=2(400+300)[/tex][tex]P=1,400\ ft[/tex]