Math, asked by alok3488, 11 months ago

please reply this question with answer ....please

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Answered by darshinipoola
1
Let the ages of Sophiya and her father be x and y respectively
x + 27 = y \:  \:  \:  \:  \:  \:  -  -  - (1)
 \frac{x + 5}{y + 5}  =  \frac{2}{5}  \\ 5 x + 25 = 2y + 10 \\ 2y - 5x = 15 \:  \:  \:  \:  \:  \:  -  -  - (2)
substitute value of y from (1) in (2)
2(x + 27) - 5x = 15 \\  - 3x =  - 54 + 15 \\ x =  18  -  5 \\ x =  13 \\ y = 40

Hence, the present ages of Sophiya and her father are 13 and 40 respectively

alok3488: thanks
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