TylerRussell0215 TylerRussell0215 19-10-2020 Mathematics contestada 3. If Duane packs his lunch, it costs about $10.50 for 5 days. If he buys lunch at work, it costs about $3.50 each day. How much does he save each week by packing a lunch? (HINT: first find how much it costs to buy lunch for 5 days)