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QUESTION 6

Use the formula for simple interest to find the interest rate if a deposit of $1400 earned $ 490 of interest after 5 years

User SleepyCal
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1 Answer

4 votes

9514 1404 393

Answer:

7%

Explanation:

The simple interest formula is ...

I = Prt . . . . where P is the principal, r is the rate, and t is the number of years

Filling in the given values, we can solve for r.

490 = 1400·r·5

490/7000 = r = 0.07 = 7%

The interest rate was 7%.

User Ayhan APAYDIN
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