SOLUTION: By what percent will a fraction increase if its numerator is decreased by 30% and its denominator is decreased by 50%?

SOLUTION: By what percent will a fraction increase if its numerator is decreased by 30% and its denominator is decreased by 50%?

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Question 957121: By what percent will a fraction increase if its numerator is decreased by 30% and its denominator is decreased by 50%?
Answer by amarjeeth123(570) (Show Source): You can put this solution on YOUR website!
Let the fraction be (x/y).
If the numerator is decreased by 30% and its denominator is decreased by 50% the new fraction becomes (0.7x/0.5y)=1.4(x/y)
The increase=(1.4-1)*100=0.4*100=40%

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