Which of the following varies directly with the interest rate


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The interest on an investment varies directly as the rate of interest. If the interest is ​$41 when the interest rate is 4​%, find the interest when the rate is 7%.

Answered by admin @



First, find what 41 is 4% of.
 \frac{4}{100}  =  \frac{41}{x}
4x = 4100
x = 1025
Now find 7% of 1025.
1025(.07) = 71.75
The interest would be $71.75

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