Mathematics, 05.04.2021 21:20 20guadalupee73248
Nia and Marie were both asked to find the perimeter of a rectangle with side length x and width 3y. The expressions each scholar wrote are shown below. Nia: x + 3y + x + 3y Marie: 4x + 4y
Are the expressions equivalent for a rectangle of any size?
Explain how you know, then use substitution to prove it.​
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Nia and Marie were both asked to find the perimeter of a rectangle with side length x and width 3y....