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: Joan has 9 blue balloons, Sally has 5 blue balloons, and Jessica has 2blue balloons. How many blue balloons do they have in total?

A: 16.0
****
Q: Alyssa loves eating fruits. Alyssa paid $12.05 for grapes, and $9.85 for cherries. In total, how much money did Alyssa spend?

A: 21.9
****
Q: A construction company is repaving a damaged road. So far, theyhave repaved a total of 4938 inches of the road. Today, they repaved805 inches of the road. How many inches of the road had theyrepaved before today?

A:
4133.0
****