SOLUTION: Adam got $600 for his birthday and deposited it into his bank account. Each week he withdrawals $30 to go to the movies. After one week he has $570, two weeks $540, three weeks $

Question 1156316: Adam got $600 for his birthday and deposited it into his bank account. Each week he withdrawals $30 to go to the movies. After one week he has $570, two weeks $540, three weeks $510, and four weeks $480.
• 𝑓(w) = amount in his bank account after w weeks
• 𝑓(0) = 600
Enter an equation, for w ≥ 1, which describes the amount in Adam’s account, 𝑓(w), after w, weeks in terms of the amount in his account the previous week, 𝑓(w − 1).
Enter the amount Adam will have in his account after 10 weeks f(10).
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Adam got $600 for his birthday and deposited it into his bank account. Each week he withdrawals $30 to go to the movies. After one week he has $570, two weeks $540, three weeks $510, and four weeks $480.
• 𝑓(w) = amount in his bank account after w weeks
• 𝑓(0) = 600
Enter an equation, for w ≥ 1, which describes the amount in Adam’s account, 𝑓(w), after w weeks in terms of the amount in his account the previous week, 𝑓(w − 1).
Enter the amount Adam will have in his account after 10 weeks f(10).
------
f(w) = f(w-1)-30
f(w) = 600-30w
---
f(10) = 600-30*10 = 300
----
Cheers,
Stan H.

RELATED QUESTIONS
On Monday, Sam withdrew $80 from his bank account. On Tuesday, his pay of $350 was... (answered by josgarithmetic)

mark had $20 before he began earning the same amount each week at his new job he used... (answered by sofiyac)

Hi there, someone helped me earlier this week and it was awesome! Thank you! Here's... (answered by richwmiller,rothauserc)

please help mark had $20 before he began earning the same amount each week at his new job (answered by sofiyac,edjones)

John wants to start saving for an apartment. On his 20th birthday, he starts depositing... (answered by Theo)

the parents of a 9-year-old boy have agreed to deposit $10 in their son's bank account on (answered by addingup)

Milo just opened a new bank account. His original deposit was $45, and the account earns... (answered by rfer)

For Adam's tenth birthday, his grandparents opened a savings account in his name. They... (answered by stanbon)

John wants to start saving for an apartment. On his 20th birthday, he starts depositing... (answered by addingup)