Question

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.

Answer 1

she is 80 pounds

Explanation:

because 8×10 is 80

Answer 2

when she was 10 years old she was 80 pound

8×10=80

80-10=70

When she was 10 she weight 70 pounds more than when she was born.