An African elephant weighed 209 pounds when it was born, baby elephants gain 38 pound per week, A. Write an equation that could be used to calculate the number of weeks, w, it would take a baby elephant to weigh 1197 pounds.

209 + 38w = 1197

38w = 1197 - 209
38w = 988
w = 988 / 38
w = 26 weeks