mrs. watterson wants to fence in an area for her dog. she has 72 feet of fencing and wants to use all of it to enclose a space with the greatest possible area. which dimensions will give her a space with the greatest possible area? (1 point)

16 feet by 20 feet
18 feet by 18 feet
14 feet by 22
12 feet by 24 feet

5 answers

16 * 20 = 320 square feet

Multiply the others to find the that gives the largest number of square feet.
19*20=320
20
A. 16 by 20
Mr. Chambliss is planning to build a shed with a rectangular floor. In his original plan, the length of the floor was 7 feet and the area of the floor was 35 square feet. In his new plan, he wants to extend the length by 3 more feet. If the total area of the shed will be 70 square feet, by how many feet will he have to extend the width?