Single interest uses an arithmetic formula where as compound interest uses a geometric formula
rearrange the equation to where you set it equal to 0 by moving the 25 over.
n2 - 8n -9 = 0
now factor
(n-9)(n+1)
so n1 = 9
n2 = -1
Answer:
3.22580645161
Step-by-step explanation:
13 times 6 times 2.5 equals 195 square inches