Answer:
The percent of decrease can be calculated with this formula:
(Original value - New Value)/(Original Value)
In this case, the original value is 117 and the new value is 91.
So the percent of decrease is 26/117, or about 22%.
Hope this helps!
rad 89 = 9.43398
bcuz: 9.43398^2 = 88.9 which rounds to 89
15 ft = 180 inches
180/18 = 10
Therefore, each part is 10 inches long.
