The deposits ginny makes at her bank each month form an arithmetic sequence. The deposit for month 3 is $150, and thedeposit for month 5 is $180.
1. What is the common difference for the deposits made each month?
2. Write an explicit formula for this arithmetic sequence.
3. what is the amount of ginnys deposit in the 12th month?
4. at what month will ginny first make a deposit that is at least $500?

Question

The deposits ginny makes at her bank each month form an arithmetic sequence. The deposit for month 3 is $150, and thedeposit for month 5 is $180. 
1. What is the common difference for the deposits made each month?
2. Write an explicit formula for this arithmetic sequence.
3. what is the amount of ginnys deposit in the 12th month?
4. at what month will ginny first make a deposit that is at least $500?

anonymous · Answer

@campbell_st

confluxepic · Answer

Do you still need help. @greenanole @~ @confluxepic @lol @hey