When Mary was born, she weighed 8 pounds. When she was 10 years old, she weighed 10 times as much. How much more did Mary weigh when she was 10 years old than when she was born? Use Exercises 1–2 to answer the question.
1. Drawapicture,writeandsolveanequationtofindMary’s weight, w, when she was 10 years old.