Morty needs $480 to buy a TV and stereo system for his room. He received $60 in cash for birthday presents. He plans to save $30 per week from his part-time job. The equation model for this situation

Morty needs $480 to buy a TV and stereo system for his room. He received $60 in cash for birthday presents. He plans to save $30 per week from his part-time job. The equation model for this situation is 60 + 30w = 480. How many weeks (w) will take for him to have $480. A. 16 weeks B. 13 weeks C. 15 weeks D. 14 weeks.