Detailed Instructions: You are provided with an arithmetic question. Your task is to compute the solution using the given arithmetic operations. The only arithmetic operators needed to answer the questions are'+'(addition) and'-'(subtraction). The answer should be correct to one decimal place.
Problem:Alyssa picked 17 plums and Jason picked 10 plums. Melanie picked 35pears. How many plums were picked in all?
Solution:
27.0