Acar travels at 120 miles in 3 hours (with a constant speed). how far will it take to travel 200 miles

5 hours

Step-by-step explanation:

120 miles___3 hours

200 miles___x = 5 hours

(200 miles *3 hours)/120 miles=5 hours

Country          population              area                  (1997 estimate)    (square km)u.s.              272,648,000        9,364,520romania        22,609,000            237,391ghana            18,339,000            237,533population density = population / areapopulation density u.s. = 272,648,000 habitants / 9,364,520 square kmpopulation density u.s. = 29.115 habitants/square kmpopulation density romania = 22,609,000 habitants  / 237,391 square kmpopulation density romania = 95.239 habitants/square kmpopulation density ghana = 18,339,000 habitants  / 237,533 square kmpopulation density ghana = 77.206 habitants/square kmof these countries, romania has the greatest population density (95.239 habitants/square km)of these countries, u.s. has the least population density (29.115 habitants/square km)