As of mid-2016, the world's population was about 7.4 billion people. The population of the United States was 324 million. The area of a certain city is 301 square miles. If in mid-2016 every person in the world moved into that city, how many square feet of space would each person have? Note: There are 5,280 feet in a mile. First determine how many square feet are in a square mile.

Titus works at a hotel. part of his job is to keep the complimentary pitcher of water at least half full and always with ice. when he starts his shift, the water level shows 4 gallons, or 128 cups of water. as the shift progresses, he records the level of the water every 10 minutes. after 2 hours, he uses a regression calculator to compute an equation for the decrease in water. his equation is w –0.414t + 129.549, where t is the number of minutes and w is the level of water. according to the equation, after about how many minutes would the water level be less than or equal to 64 cups?