A cooperative education intern works from 1:30 pm to 5 pm on Mondays, Wednesdays and Fridays ad from 10 am to 2:30 pm with no lunch hour on Tuesdays and Thursdays. He earns $7.15 an hour on this job. In addition, he has a Saturday job paying $8.40 an hour at which he works from 9 am to 3pm wiht a half hour off for lunch. The gross amount that the studen earns each week is , MOST nearly,