Question

If the length and width of a rectangle are

each halved, by what percent is the area decreased?



30 POINTS!

Answer 1

75%

Explanation:

Let us being by constructing a rectangle. The length is x, and the width is y. The area is xy units squared.

Now, let's divide that by two. X is now x/2, and y is now y/2. The area is now xy/4.

We have xy as the original area, and xy/4 as the new area. The /4 indicates that the new rectangle is a fourth of what it was before, meaning it is only 25 percent as much.

Therefore, it had decreased 75perdent