Answer:
Cody made a mistake when calculating the slope of the line and this affected every other steps after than.
She divided -3 by 6 instead of -3 by 1/6
Step-by-step explanation:
Given


<em>See attached for steps</em>
Required
Explain Cody's error
<em>Cody made a mistake when calculating the slope of the line and this affected every other steps after than.</em>
See Proof
Slope (m) is calculated as thus:






This is in contrast to
, calculated by Cody
Solving further to determine the equation.

Where




Collect Like Terms


Your answer would be x = 3.0645
CHECK
log (3.0645 + 1) ?=? -(3.0645)2 + 10
log 4.0645 ?=? -9.3912 + 10
0.609 ?=? 0.609
Hope this helps!
So in short your answer is x = 3.0645
L=1.5w
P=l+w
40=2.5 w
W=16
L=1.5(16) =24
Length is 24
Width is 16