Teacher: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.
Teacher: Now, understand the problem? Solve this instance: Roadster's Paving Company used 10 tons of cement to pave Lexi'sstreet and 5.1 tons of cement to pave Tess's street. How muchcement did Roadster's Paving Company use in all?
Student:
15.1