Posted by **Jaison** on Tuesday, February 22, 2011 at 2:20pm.

You would like to invest in $12,000 in two different bonds. Some of the amount will be invested in treasury bonds at 10% annual interest and the rest in municipal bonds at 15%. What amount should be invested in each type of bond rate if the annual yield expected is $1,440?

- Math -
**Helper**, Tuesday, February 22, 2011 at 2:33pm
x = amt invested at 0.10

y = amt invested at 0.15

0.10x + 0.15y = 1440

x + y = 12000

Solve for x and y simultaneously

If you are correct,

x = $7,200

y = $4,800

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