How many 2/3 of a foot are in 18,491 feet? pls help

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

Abox holds 500 paperclips. after a week on the teacher's desk 239 paperclips remained. how many paperclips were used?

Allen's goal is to have between 1,500 and 1,600 bottles in his collection. write and solve a compound inequality to determine the number of weeks it will take allen to reach his goal. show your work. *