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: Jason joined his school's band. He bought a flute for $142.51, amusic tool for $8.89, and a song book for $7. How much did Jasonspend at the music store?
Student:
158.4