Answer:
25%
Step-by-step explanation:
$115 - $92 = $23 (first blank)
To do the fraction it is the new amount/the original amount
23/92
divide 23 and 92
23/92 = 0.25 (second and third blank)
0.25 x 100% = 25%
Note that

, where

is the area,

is the length, and

is the width. Substituting our values in, we have:

Multiplying by

gives:

So the width is

miles.
21
18=0.86x - 0.09 Put 18 as the y value and solve for x
18.09=0.86x Add 0.09 on both sides.
21.03=x Then divide on both sides by 086
Answer:
27 feet
Step-by-step explanation:
Two walls have same area
Area of first wall(square) = 18*18 = 324
Area of second wall = 12 * x = 324
324/12 = 27
27 feet