Respuesta :
Answer:
B. 2 weeks
Step-by-step explanation:
1st week
Brian will have $40
Sarah will have $30
2nd week
Brian will have $50
Sarah will have $50
Answer:
B. 2
Step-by-step explanation:
10w +30 = 20w +10,
30 - 10 = 20w - 10w,
20 = 10w,
so the answer is,
w = 2