Please help! I will mark you brainliest if you get the answer correctly , look at the picture.

Answer:
B.12 weeks
Step-by-step explanation:
Sam already has $50 dollars saved.
He wants to get $30 each week.
The cost is $410.
If he already has 50 you should subtract this from 410(it equals 360)
Then you multiply each answer by 30
The correct answer is B.12
30*12=360
(sorry if that is confusing my brain works weird)