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A number p is divided into two parts.

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by niketdoshi123 » Sat Jul 14, 2012 10:46 pm
bebo wrote:A number p is divided into 2 parts such that one part is k% of the other part. Write equation in terms of p and k which would help in finding the value of the other part.
let the one part be x.
then the other part will be kx/100

p= x + kx/100
100p = x(100+k)
x = 100p/(100+k)
other part = p-x = p - 100p/(100+k) = (100p + pk - 100p)/(100 + k) = pk/(100+k)
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