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.

[EX Q]: At Lindsey's Vacation Wear, 0.37 the garments are bikinis and 0.23 are trunks. What fraction of the garments are either bikinis or trunks?
[EX A]: 0.6

[EX Q]: On a hot day, Sam poured 1 bucket of water into a plastic wadingpool. A few minutes later he added another 8.8 buckets. How muchwater did Sam pour into the pool?
[EX A]: 9.8

[EX Q]: Sally has 9 orange balloons and 4 blue balloons. She lost 2 of theorange balloons. How many orange balloons does Sally have now?
[EX A]:
7.0