SOLUTION: a total of $10000 was invested in to simple intrest accounts for one year. the first account has an 8% intrest rate, the second account has a 9% intrest rate. if the total intrest

Question 301736: a total of $10000 was invested in to simple intrest accounts for one year. the first account has an 8% intrest rate, the second account has a 9% intrest rate. if the total intrest of the 2 accounts in one year was $840 how much was invested in each account
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
F=amount of money invested in First account, S=amount of money invested in Second account
8%=.08 9%=.09
u can use substitution or elimination method i will use elimination method as its faster.
multiply this by -.08

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add the equations together

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first account has 6000
second account has 4000
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