Answer:
See below
Step-by-step explanation:
Two pieces
x and x+1 must add to 16 ft
x + (x+1 ) = 16
2 x + 1 = 16
2x = 15
<u>x = 7.5 ft </u> and the other is x+1=<u> 8.5 ft </u>
d.x=-8 and x=-10
$68.85
19% of $85 is $16.15
$85 - $16.15 = $68.85