The natures preserves jam factory is buying supplies for the next month. they make 2 flavors of strawberry jam: classic strawberry and tropical strawberry. Both flavors use 10 pounds of fresh strawberries in every 16-jar batch. the factory plans to make 4000 jars of classic strawberry jam and 2,400 jars of tropical strawberry jam next month. how many tons of strawberries should they order/