taterbug4845 taterbug4845

07-11-2018
Mathematics

contestada

The interest on an investment varies directly as the rate of interest. If the interest is $41 when the interest rate is

5%, find the interest when the rate is

6.1%

Respuesta :

10simbahunde 10simbahunde

12-11-2018

use the formula y=kx

in this case y=interest and x=rate

rearrange the formula to solve for k

k=y/x

41/5

K= 8.2

y=8.2 x 6.1

y=50.02

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