Answer:
The weight of harry's dog written as a decimal is 12.875.
Step-by-step explanation:
Given : Harrys dog weighs
pounds.
To find : What is the weight of harry's dog written as a decimal ?
Solution :
Harrys dog weighs
pounds is written in mixed fraction.
Writing mixed fraction in fraction is 
Dividing 103 by 8 to write in decimal,
Therefore, The weight of harry's dog written as a decimal is 12.875.