Answer:
Explanation:
Answer to Part A: This square window measures x²in².
Answer to Part B: If side of this square window is 20", the replacement window will have dimensions 20" by 20", which comes out to 400 in²,
or
400 in²
----------------- = 2.78 ft²
144 in²/ft²
Part C: Stephanie cannot pay more than $100 for the replacement window. As she would have to replace 400 in², the max she could pay per in² of material would be
$100
----------- = $0.25/in².
400 in²
The max unit rate S. could pay for the replacement window wouldbe $0.25/in².