@mp.4 model with math
when mary was born, she weighed 8 pounds. when she was 10 years old, she weighed
in 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. draw a picture, write and solve an equation to find mary's
weight, w, when she was 10 years old.