During the year, Gwen (69), received $22,000 in social security benefits. Her only other income consisted of $5,000 in wages from a part-time job and a pension distribution of $7,500. How much of Gwen's social security benefits are taxable?

Gwen's social security benefits are not taxable.

Explanation:

Social security benefits are taxable when the all other income plus 50% of the social security benefit exceeds $25,000

Total income of Gwen is Wages of Part-time job $5,000 plus 50% of social security benefits and pension comes to $23,500.

Therefore, Gwen's social security benefits are not taxable.