I = PRT
720 = (1,000)(0.09)(t)
720 = 90(t)
720/90 = t
8 = t or t = 8
I am not sure if it is terms of months or years but 8 is the answer. hope it helps :)
Answer:
"There are 30 chairs in 5 rows. How many chairs are in each row?" Would be the correct story problem.
-7 - 3x = 9x(x + 2)
Standard Form:
-9x^2 - 21x - 7 = 0
You dont there is no way to. You just say 70x114=7980