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.

[Q]: 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?
[A]: 83.0


[Q]: Sandy had 36 pennies and 31 nickels in her bank. Her dad borrowed20 nickels from Sandy. How many nickels does she have now?
[A]: 11.0


[Q]: Brandy made trail mix for a backpacking trip. She used 0.17 pound of peanuts, 0.17 pound of chocolate chips, and 0.06 pound of raisins. How many pounds of trail mix did Brandy make?
[A]:
0.4