If the diver is being pulled up at a rate of 25 feet per minute, then in 10 minutes, the diver would have been pulled up 25 * 10 = <<25*10=250>>250 feet.
Since the diver is currently 200 feet below sea level, 10 minutes ago, the diver would have been 250 + 200 = <<250+200=450>>450 feet below sea level. Answer: \boxed{450}.
A deep-sea exploring ship is pulling up a diver at the rate of 25 feet per minute. The driver is 200 below sea level. How deep was the diver 10 minutes ago?
1 answer