1) In 1970, the elevation of the Dead Sea between Jordan and Israel was -1,296 feet above sea level. Since then, the elevation dropped an average of about 21 feet each year. How many years, y, did it take for
the Dead Sea to reach an elevation of -1,371 feet above sea level? Write an equation to solve this
problem, then solve. Check your answer by substituting the value you found for the variable into the
equation you wrote.