Sarah didn't think that they deserved division. She spend a lot of effort doing what to them?\nOptions:\n- multiplication\n- putting together\n- times\n- subtraction\n- multiply
Step-by-step reasoning process below:
putting together
Putting together is to join its different parts to each other so that it can be used.

Sarah didn't think that they deserved division.

She spend a lot of effort doing putting together to them.

.

The final answer: putting together