a rima of money becomes 4 times itself in 12 years at simple interest .find the rate of interest.
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Let P = x
T = 12years
A = 4x
I = PRT/100 = (x*R*12)/100
A = x + (x*R*12)/100
=>4x-x = (x*R*12)/100
=>100×3x = x*R*12
=>(100×3x)/(x×12) = R
=>300/12 =R
.•. R = 25%
I hope it helped you....
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T = 12years
A = 4x
I = PRT/100 = (x*R*12)/100
A = x + (x*R*12)/100
=>4x-x = (x*R*12)/100
=>100×3x = x*R*12
=>(100×3x)/(x×12) = R
=>300/12 =R
.•. R = 25%
I hope it helped you....
Please mark it as brainliest...
^_^
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