Question 1196477
How many years?  Is this just one single year?
<pre>
                     QUANTITY        RATE(decimal)     1-YEAR INTEREST

Part at 9%             10000-x      0.09                0.09(10000-x)

Part at 14%             x           0.14                0.14x

TOTAL                  10000                             1275
</pre>
What to do with this should be clear and needs no discussion.