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.

Sara got fast food for lunch. Sara spent $5.30 on a hotdog and $5.10 on a salad. What was the total of the lunch bill?
10.4

Last week Tim had 12 dollars and Keith had 36 dollars. Tim washedcars over the weekend and now has 75 dollars. How much money didTim make washing cars?
63.0

There are 9 pencils and 4 rulers in the drawer. Sally took 4 pencils outof the drawer. How many pencils are there now?

5.0