SOLUTION: PLEASE HELP?!! i am studying for a test and im ready to cry... the twice is totally throwing me off.... a man invested twice as much money at 10% as he does at 8%. If his total int

Question 229084: PLEASE HELP?!! i am studying for a test and im ready to cry... the twice is totally throwing me off.... a man invested twice as much money at 10% as he does at 8%. If his total interest is $224.00 how much does he invest at each rate?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Let

represent the amount invested at 8%, then

is the amount invested at 10%. So:

$800.00 @ 8% = $64.00 and $1,600.00 @ 10% = $160.00. $160.00 + $64.00 = $224.00

John

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