I need assistance with this statistic problem:

High School Dropouts:

Age 16-21 not in college, 13.50% are unemployed, 29.05% are high school dropouts and 5.32% are unemployed drop outs. What is the conditional probability that a member of this population is unemployed, given taht the person is a high school drop.

U= the person is unemployed

D= the is a high school drop out.