Answer:
Sadie weighs 61 pounds.
Explanation:
This question can be solved using a system of equations.
I am going to say that:
Sadie's weight is x.
Buddy's weight is y.
Buddy weighs 14 pounds more than Sadie.
This means that

Their total weight is 136 pounds.
This means that

Since





Sadie weighs 61 pounds.