Answer
24.25 years old
Work Step by Step
$$w=2j-12$$ $$w=36.5=2j-12$$ $$48.5=2j$$ $$24.25=j$$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.