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: Suzie found 2 worms in the yard and measured them with a ruler. One worm was 0.8 inch long. The other worm was 0.1 inch long. How much longer was the longer worm?

A: 0.7
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Q: Before the recent housing boom, there were 1426 houses inLawrence County. Now, there are 2000 houses. How many housesdid developers build during the housing boom?

A: 574.0
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Q: There are 1986 books in Oak Grove's public library. In addition,there are 5106 books in its school libraries. How many books do thelibraries in Oak Grove have overall?

A:
7092.0
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