a certain fraction, when 3 is added to both its numerator and denominator, its value is decreased by 9/40, but when subtracted, its value is increased by 9/10. Find the denominator of the original fraction when expressed in its lowest term.

Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter11: Rational And Irrational Numbers
Section11.1: Properties Of Rational Numbers
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In a certain fraction, when 3 is added to both its numerator and denominator, its value is decreased by 9/40, but when subtracted, its value is increased by 9/10. Find the denominator of the original fraction when expressed in its lowest term.

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