Soybean meal is 14% protein; cornmeal is 7% protein. how many pounds of each should be mixed together in order to get 280 lb mixture that is 12% protein

Determine whether the set of whole numbers is closed under addition. explain why the set is or is not closed. give an example.

What is the range? can’t seem to find it out

Ariel is working at a meat packing plant for 5 nights a week. her regular wage is $11 an hour. she earns tine and a half for any overtime hours. this week she worked 9 hours of over time .how much will ariel earn for overtime this week ?