Jim is clearing out trees and planting grass to enlarge his backyard. He plans to double both the width and the length of his current rectangular backyard, as shown.

a. How will the area of Jim's new backyard compare to the area of his current backyard? b. Will it take Jim twice as long to mow his new backyard then his old backyard? Explain. (Assume Jim mows at the same rate for both yards.)

Question

Mathematics

Kirsten House

5 June, 17:16

Jim is clearing out trees and planting grass to enlarge his backyard. He plans to double both the width and the length of his current rectangular backyard, as shown.

a. How will the area of Jim's new backyard compare to the area of his current backyard? b. Will it take Jim twice as long to mow his new backyard then his old backyard? Explain. (Assume Jim mows at the same rate for both yards.)

+1

Answers (1)

Know the Answer?

Ruben Mcfarland · Answer 1

U should know the area of rectangle is w*l

if we increase it by double or times 2 its area will be

A=2w*2wl

A=4wl

area would be 4 times of original one

Now u can get the answer