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.
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Question: Jonah added 0.3 cup of yellow raisins and 0.4 cup of black raisins to abatch of trail mix. How many cups of raisins did Jonah add in all?

Answer: 0.7


Question: For his car, Mike spent $118.57 on speakers and $106.33 on newtires. Mike wanted 3 CD's for $4.58 but decided not to. In total,how much did Mike spend on car parts?

Answer: 224.9


Question: While playing a video game, Paul scored 3103 points. He and hiscousin together have a total of 5816 points. How many points doesPaul's cousin have?

Answer:
2713.0