Mrs. brown is a social worker with a salary of $26000 per year. she also works 10 hours per week part-time on weekends at a retail store in the mall an hourly rate of $7.50 and a commission of 10% of sales. her yearly sales were $25,000. what is her total combined income?

25000 x 10% = $2500 in sales commission.

She works 10 hours per week at 7.5 an hour (and we assume she works every weekend for a total of 52 weekends).  That gives her $75 x 52 = $3900 in wages earned.

She makes $6400 in her part time gig and $26000 in her full time gig for a total of $32400 combined annual income.