What is the initial capital of this investment?

Question

Bob invest at the beginning of the year X amount of dollars: one half his capital in the stock market, whch yielded a negative return of 5%, and the other half in inflation index bonds with a return of 6.5% at the years end. His total investment income was $900. What was his inital capital?

A 50k
B 60k
C 9k
D 120K

(Show the work please, i dont remember doing this stuff in HS lol)

I only had to take 4 classes in math. I wasn't and never was a math person. I only took up to algebra1. You're talking over 15 years ago too. Whatever you dont us, you forget! Btw, for being a jerk, and not showing the work, you wont get the 10 ;-)

oops, typo, use

Answer 1

0.5 X *(-0.05)+0.5*X*(0.065)=900 so
x= 900/(0.5*0.015)=120K

Answer 2

B how did you get out of highschool?