SOLUTION: Randy Invested twice as much at 10% as he did at 8%. If he earned $30.80 annually, how much did he invest at each rate?
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Question 677182: Randy Invested twice as much at 10% as he did at 8%. If he earned $30.80 annually, how much did he invest at each rate?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = amount invest @ 8%
= amount invested @ 10%
given:
Randy invested $110 @8% and $220 @10%
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