Shen earns $9.60 per hour at his part-time job. last month, he worked 7.25 hours the first week, 8.75 hours the second week, 5.5 hours the third week, and
6.75 hours the fourth week. shen puts half of his paycheck inthe bank every other week starting with the first. how much money did he put in the bank last month? show your work?