Question 571962
$4,200 is invested , part of it at 5% and part at 6%.
 The total yield at simple interest for one year is 232.
 How much was invested at each rate?
:
Here is how to set it up
:
Let x = amt invested at 6%
total was given as $4200, therefore:
(4200-x) = amt invested at 5%
:
.06x + .05(4200-x) = 232