Mike joined his school's band. He bought a trumpet for $145.16, and a song book which was $5.84. How much did Mike spend at the music store?
انضم مايك إلى فرقة مدرسته. اشترى بوقًا مقابل 145.16 دولارًا، وكتاب أغاني كان 5.84 دولارًا. كم أنفق مايك في متجر الموسيقى ؟