A newborn elephant weights 252 pounds wen she is born. She will gain an average of 24.5 pounds per week until she reachs adulthood. A newborn killer whale weights 395 poundswhen she is born. Se will gain 19 pounds per week until she reaches aduthood. Write an inequality that can be used to determine x, the number of weeks needed for the weight of the newborn elephant to be greater than or equal to the weight of the newborn killer whale.