Math

A friend opens a savings account by depositing $1000. He deposits an additional $75 into the account each month.
a. What is a rule that represents the amount of money in the account as an arithmetic sequence?
b. How much money is in the account after 18 months? Show your work.

  1. 👍 0
  2. 👎 0
  3. 👁 185
asked by Shakira

  1. a. this is a arithmetic series, not a sequence. the Sum of the series is given by months m is


    sum=m/2 * (2*1000 + (m-1)75)

    for 18 months, put m=18 and compute.

    1. 👍 0
    2. 👎 0
    posted by bobpursley

Respond to this Question

First Name

Your Response

Similar Questions

  1. math

    A friend opens a savings account by depositing $1000. He deposits an additional $75 into the account each month. a. What is a rule that represents the amount of money in the account as an arithmetic sequence? b. How much money is

    asked by Shakira on January 8, 2014

  2. math

    A friend opens a savings account by depositing $1000. He deposits an additional $75 into the account each month. a. What is a rule that represents the amount of money in the account as an arithmetic sequence? b. How much money is

    asked by Shakira on January 8, 2014

  3. Math

    Jimmy opens a savings account with a $210 deposit at the beginning of the month. The account earns 5% annual interest compounded monthly. At the beginning of each subsequent month, Jimmy deposits an additional $210. How much will

    asked by wes on November 11, 2018

  4. Math

    Jimmy opens a savings account with a $200 deposit at the beginning of the month. The account earns 4.6% annual interest compounded monthly. At the beginning of each subsequent month, Jimmy deposits an additional $200. How much

    asked by Amber on October 31, 2016

  5. Advanced math

    Eliot opens a savings account with $5,000. He deposits $50 every month into the account that compounds annually and has a 0.95% interest rate. What will his account total be in 5 years? Can someone tell me how to solve this??

    asked by |-/ on February 26, 2019

  6. Math

    Finally, Kevin has a client who would like to invest into an account that earns 3.2% interest, which is compounded annually. The client opens the account with an initial deposit of $4,000, and deposits an additional $4,000 into

    asked by Kim on November 9, 2017

  7. math

    Karen opens a savings account with $1500. She deposits $100 every month into the account that has a 0.85% interest rate, compounded annually. If she doesn’t withdraw any money, what will the account balance be in 10 years?

    asked by Anonymous on March 23, 2018

  8. Precalc growth and decay

    Alison deposits $500 into a new savings account that earns 5 percent interest compounded annually. If Alison makes no additional deposits or withdrawals, how many years will it take for the amount in the account to double? the

    asked by Kerrie on April 19, 2009

  9. Math HELP!

    Jayden opens a savings account with $100.00. His account pays 4% simple interest. How much money will be in his account one year later if he makes no deposits or withdrawals? A.) $96.00 B.) $100.00 C.) $104.00 D.) $148.00

    asked by Kyle on September 15, 2016

  10. Math

    Can someone please help me? I have one question I need help with. Thanks in advance. 4. Jayden opens a savings account with $100.00. His account pays 4% simple interest. How much money will be in his account one year later if he

    asked by Quzzy Modo's brother on April 26, 2016

More Similar Questions