SOLUTION: I really need some help!!!! Please! Solve this system of equation using either addition or substitution method. George has two investments that yield a total of 185.60 in ann

Question 112619This question is from textbook
: I really need some help!!!! Please!
Solve this system of equation using either addition or substitution method.
George has two investments that yield a total of 185.60 in annual interest. The amount onvested at 8% is 320$ less than twice the amount invested at 6%. How much is invested at each rate.
Amount invested at 8% _____________
Amount invested at 6% _____________ This question is from textbook

Answer by scott8148(6628) (Show Source): You can put this solution on YOUR website!
let x="amount @ 6%", so 2x-320="amount @ 8%"

(6%)x+(8%)(2x-320)=185.6 ___ .06x+.16x-25.6=185.6 ___ .22x=211.2
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