142k views
4 votes
I need help can someone please help me with this ​

I need help can someone please help me with this ​-example-1
User Artagnon
by
7.8k points

2 Answers

2 votes

Answer: 4267272727:

Explanation:

User Esqarrouth
by
9.2k points
3 votes

Answer:

A.
A_1=93x^2\\A_2=84x^2

B. 36 Square Feet.

Explanation:

A.

Apartment 1 (first floor):


A_1=9x*(7x+2x+2x)-3x*2x\\=9x*11x-6x^2\\=99x^2-6x^2\\=93x^2\\\\

Apartment 2 (second floor):


A_2=9x*(6x+3x+2x)-3x*5x\\=9x*11x-15x^2\\=99x^2-15x^2\\=84x^2

B.


A_1-A_2=93x^2-84x^2=9x^2\\\\x=2\\\\Thus \\A_1-A_2=9x^2=9*4=36 square feet.

User John Deck
by
7.9k points