Answer: Amount borrowed from 4% rate is $20000 and amount borrowed from 5.5% rate is $2000.
Explanation:
Since we have given that
Total borrowed amount = $22,000
Amount borrowed at 4% rate of interest be 'x'.
Amount borrowed at 5.5% rate of interest be '22000-x'.
Number of years = 1
As we know the formula for "Simple interest":

So, Amount borrowed from 4% rate is $20000 and amount borrowed from 5.5% rate is $2000.