Asked by Alexis
Can you check these simple interest problems?
1. If you borrow $421 for nine years at an interest rate of 4%, how much interest will you pay?
Ans: I = prt
I = $421*.04*9
I = $151.56
2. If the balance at the end of 8 years on an investment of $630 that has been invested at a rate of 9% is $1083.60, how much was the interest?
Ans: I = prt
I = $630*.09*8
I = $453.60
or could it have been solved by subtracting?
$1083.60 - $630 = $453.60
1. If you borrow $421 for nine years at an interest rate of 4%, how much interest will you pay?
Ans: I = prt
I = $421*.04*9
I = $151.56
2. If the balance at the end of 8 years on an investment of $630 that has been invested at a rate of 9% is $1083.60, how much was the interest?
Ans: I = prt
I = $630*.09*8
I = $453.60
or could it have been solved by subtracting?
$1083.60 - $630 = $453.60
Answers
Answered by
Henry
Both answers are correct!
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