Question

the length and width of a rectangle are each doubled, by what percentage the area increased?

Answer 1

Answer:

Step-by-step explanation:

Let initial length =l

Initial width =w

*initial area=lw

Final length =2l

Final width =2w

*final area=(2l)(2w)=4lw

percent increase=increase initial×100

percent increase=3lw.lw×100

percent increase=300 percent

ALL THE BEST.

Answer 2

Answer:

300 percent

Step-by-step explanation:

400 percent is the original area Thus,it increased 300 percent