Josh started a new job. On his first day, he makes $20. On his third day, he makes $12. On his fifth day, he makes $14. On his seventh day, he makes double the amount he made on his third day. On his ninth day, he makes $5 less than he made his first day. On his eleventh day, he makes half of what he made in total on days 1, 3, 5, 7 and 9.