The answer to your problem is D:86
Greta starts with $100 in her savings account
She adds $50 each week
Balance after week 1 = 100 + 50 = 150
Part A
Unit rate of change here is = 
⇒ Unit rate of change here is = 
⇒ Unit rate of change here is = 50%
Part B
Equation to calculate the amount of money Greta will have after any number of weeks = ?
Money after 'x' number of weeks = 
⇒ Money after 'x' number of weeks = 
Part C
Money Greta will have after 1 year= ?
In a year there are 52 weeks
So, putting x = 52 in the solution of Part B
⇒ Money after 52 weeks = 
⇒ Money after 52 weeks = 
⇒ Money after 52 weeks = 2,700
Answer:

Step-by-step explanation:

hope this helps
brainliest appreciated
good luck! have a nice day!