Homework Help: Math

Posted by Lily on Monday, July 21, 2008 at 10:42pm.

Q:Mr.Camacho invested twice as much in a savings account at 6.5% as he invested in a U.S. Treasure Note at 7%. If his yearly income from both investments is $800.00, how much has he invested at 6.5% and how much at 7%?

A: Equation: ____
6.5%: ______
7%:________

Math - drwls, Monday, July 21, 2008 at 11:07pm
Let's say he invested X at 7% and 2X at 6.5%.

0.07X + (0.065)(2X) = 800

0.2 X = 800

X = 4000 dollars
2X = 8000 dollars

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