Concept explainers
a.
To find: An algebraic equation to represent the amount in dollars that The person M and The person S have in their respective savings accounts after t months.
a.
Answer to Problem 3CR
Maria (a) =
The person S(b) =
Explanation of Solution
Given Information: The person M starts with $200 in her savings account and deposits $25 each month. Stefon starts with $275 in his saving accounts and deposits $20 each month.
As t is the no. of months and The person M deposits $25 each month
Deposit in ‘t’ months = 25t
She started with $200 in her account
Amount in her account after t month (a) =
Stefon deposit in ‘t’ month = 20t
As she deposits $20 each month. She started with $275 in her account.
Amount in her account after t months (a) =
b.
To find: The number of months when saving is same.
b.
Answer to Problem 3CR
In 15 months.
Explanation of Solution
Given Information: The person M starts with $200 in her savings account and deposits $25 each month. Stefon starts with $275 in his saving accounts and deposits $20 each month.
As t is the no. of months and The person M deposits $25 each month
Deposit in ‘t’ months = 25t
She started with $200 in her account
Amount in her account after t month (a) =
Stefon deposit in ‘t’ month = 20t
As she deposits $20 each month. She started with $275 in her account.
Amount in her account after t months (a) =
In 15 months their amounts will be the same.
Chapter 9 Solutions
Algebra 1, Homework Practice Workbook (MERRILL ALGEBRA 1)
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