Is my final need help with this problem can you please help me

3382-299=3383- ? fill in the blank?

Liz is shipping a package to her friend.the maximum weight of a medium flat-rate box is 20 pounds,including the box which weighs 6 ounces.write and solve an inequality to describe the possible weight ,w, of the contents that liz will ship to her friend if she must use a medium flat-rate box.

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu