I need help to Simplify i31

Leslie started last week with $1200 in her checking account. during the week, she wrote the checks below.

We have 339 ounces of jam to be divided up equally for 12 people how muny ounces will each person get

Asporting good store is offering 30 percent off of the original price(x) of football cleats. the discount will be reduced by an another $7 before sales tax.