Angel has $60 and his sister has $120. Angel saves $7 per week, and his sister saves $5 per week. Which equation and solution represent the number of weeks, w, it will take for the siblings to have the same amount of money?

A. 7w + 60 = 5w + 120; w = 30

B. 60w + 7 = 120w + 5; w = 30

C. Not here

D. 7w - 60 = 5w - 120; w = 30