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.

Mary had 7 nickels in her bank. Her dad gave her 5 nickels. Howmany nickels does Mary have now?
12.0

Fred picked 36 limes, Alyssa picked 32 limes, and Nancy picked 35limes and 18 pears, at the farm. How many limes were picked intotal?
103.0

Kendall is learning to drive, so this weekend she practiced driving 0.2 mile with her mother and another 0.5 mile with her father. How far did Kendall drive in all?

0.7