SOLUTION: 1. Pat invested a total of $3000. Part of the money yields 10 percent interest per year, and the rest yields 8 percent interest per year. If the total yearly interest from this i

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Question 124851: 1. Pat invested a total of $3000. Part of the money yields 10 percent interest per year, and the rest yields 8 percent interest per year. If the total yearly interest from this investment is $256, how much did Pat invest at 10 percent and how much at 8 percent?



Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
let x="amount @ 10%", so 3000-x="amount @ 8%"

(.10)(x)+(.08)(3000-x)=256 __ .1x+240-.08x=256 __ .02x=16