First find a common denominator and combine the fractions in the numerator:

Now simplify and cancel out all the terms that you can:

Since the remaining expression is continuous as a function of

, you can directly substitute to end up with
Because she doesn't receive any interest on the last month, but puts money in, we can write this equation:
18(75) + 17(0.08(75))
1350 + 1.36(75)
1350 + 102
She will have $1452 On the eighteenth month
Answer:
I think it might be 9420 Im not sure though
Step-by-step explanation:
Watch vids such as mathantic and khan academy those are very good ideas