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wel
3 years ago
7

Algebra :) my favorite!

Mathematics
1 answer:
Len [333]3 years ago
4 0
The 4 sides of a square all have the same lenhth. The perimeter of a square is 4 times the length of one side. Each side is 1/4 of the perimeter. 1/4 of (80 - 64y) is (20 - 16y). That can also be factored, and then written as 4 (5 - 4y). Both forms have the same value. I am absolutely positive of all of the above.
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