Answer:
Catherine Percent body fat is 22.75
Explanation:
Taking a note of the figures given, we have,
Catherine Age = 29 years
Height = 5 feet 4 inch
Weight = 104 pound
BMI = 17.9 kg/m²
Now, considering the formula for calculating Percentage body fat which is
(1.20 × BMI ) + (0.23 × Age) - 5.4
Now inserting the value of the given BMI and the given age,
We have, (1.20 × 17.9 ) + (0.23 × 29) - 5.4
       = 21.48 + 6.67 - 5.4
       = 28.15 - 5.4
        22.75.
Therefore, Catherine percentage body fat is = 22.75