SOLUTION: A savings account of $3500 is left for 9 months and draws simple interest at a rate of 7%. How much interest is earned? What is the balance in the account at the end of the 9 month

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Question 1151750: A savings account of $3500 is left for 9 months and draws simple interest at a rate of 7%. How much interest is earned? What is the balance in the account at the end of the 9 months?
Found 2 solutions by MathLover1, MathTherapy:
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

use equation:
A+=+P%281+%2B+rt%29 where P savings amount and r% is rate of interest per year, and t is number of years
given:R=7+%
First, converting R+percent to r a decimal:
r+=+R%2F100+=+7%2F100+=+0.07 per year.
Putting time into years for simplicity,
%289+%2F+12%29months+=+0.75+years
Solving our equation:
A+=+3500%281+%2B+%280.07+%2A+0.75%29%29
A = $3683.75
The total amount accrued, principal plus interest, from simple interest on a principal of $3500.00 at a rate of 7% per year for 0.75 years (9 months) is $3683.75.





Answer by MathTherapy(10552) About Me  (Show Source):
You can put this solution on YOUR website!

A savings account of $3500 is left for 9 months and draws simple interest at a rate of 7%. How much interest is earned? What is the balance in the account at the end of the 9 months?
Simple interest, or 
Add this to $3,500 to determine the account balance after 9 months.