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the numerator of a rational number is 8 less than its denominator if the numerator is multiplied by 3 and 10 is added to the denominator the new number is 21 upon 25 find the original number |
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Answer» ACCORDING to question LET , denominator =x so, x-8/x (x-8)*3/x+10=21/25 3x-24/x+10=21/25 cross multiply and we get 75x-600=21x+210 75x-21x=210+600 54x=810 x=810/54 x=15 |
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