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: Melanie had 19 dimes in her bank. Her dad gave her 39 dimes andher mother gave her 25 dimes. How many dimes does Melanie havenow?

Answer: 83.0


Question: Alyssa bought some toys. She bought a football for $5.71, and spent $6.59 on marbles. In total, how much did Alyssa spend on toys?

Answer: 12.3


Question: There are 48 erasers in the drawer and 30 erasers on the desk. Alyssaplaced 39 erasers and 45 rulers on the desk. How many erasers arenow there in total?

Answer:
117.0