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4. The Sunset the age a woman and her daughter is 46 years. In 4 years time, the ratio of thier age will be 7:2 Find the present age |
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Answer» The sum of the ages of a woman and her daughter is 46 years. x + y = 46 or y = (46-x) ; In FOUR years time the ratio of there ages will be 7:2 Cross multiply 2(x+4) = 7(y+4) 2x + 8 = 7y + 28 2x = 7y + 28 - 8 2x = 7y + 20 replace y with (46-x) 2x = 7(46-y) + 20 2x = 322 - 7x + 20 2x + 7x = 342 9x = 342 x = 342/9 x = 38 yrs is the woman's age PLEASE MARK AS BRAINLIEST!!! |
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