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.

Joan went to 4 football games this year. She went to 9 games last year. How many football games did Joan go to in all?
13.0

Mike bought some toys. He bought marbles for $9.05, a football for $4.93, and spent $6.52 on a baseball. In total, how much did Mikespend on toys?
20.5

Sara got fast food for lunch. Sara spent $5.30 on a hotdog and $5.10 on a salad. What was the total of the lunch bill?

10.4