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: A company painted some houses in Hancock County white and blueusing a total of 6689 gallons of paint. If they used 660 gallons ofwhite paint, how many gallons of blue paint did the company use?

A: 6029.0
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Q: Nancy grew 6 potatoes. Sandy grew 7 potatoes. How many potatoesdid they grow in total?

A: 13.0
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Q: Sara had 100 pennies and 783 quarters in her bank. Her dadborrowed 271 quarters from Sara. How many quarters does she havenow?

A:
512.0
****