If you're simplifying the equation your answer is going to become -d^3 +3d^2 +23d -30
![431 \div 9](https://tex.z-dn.net/?f=431%20%5Cdiv%209%20)
=47.8888 when you round it up you can get get about 48 then you estimate to about 50.
Answer:
Step-by-step explanation:
Answer:
she must 1st save money for her to earn the 7%