More Help With....Science...wait...MATHEMATICS =D .... PLEASE!?

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03-21-2008, 11:35 AM

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More Help With....Science...wait...MATHEMATICS =D .... PLEASE!?

1) The ratio of the numerator to the denominator of a certain fraction is one to four. If three is added to the numerator and subtracted from the denominator, the new fraction reduces to one-third. Find the original fraction.

2) The ratio of the numerator to the denominator of a certain fraction is three to five. If two is added to the numerator and five is subtracted from the denominator, the new fraction reduces to four-fifths. Find the original fraction.

3) The numerator and the denominator of a certain fraction are consecutive odd numbers. If nine is subtracted from the numerator, then the ratio of the numerator to the denominator of the new fraction is two to three. Find the original fraction.

4) The numerator and the denominator of a fraction are thirteen and fifty, respectively. When a certain number is added to this numerator and subtracted from this denominator, the resulting fraction has a numerator to denominator ratio of two to one. Find the number.

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