sister's age is 3 times that of her brothers.after 5yr the sister shall be twice as old as brother.how many years before , the sister's age was 6 times of her brother's age?
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10 year brother age
I hope this is right answer
I hope this is right answer
10 years
yes its right
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answer is 3
but my solution answer is 10
Answered by
1
brother present = x
sister present = 3x or y
condition :
3x + 5 = 2( x + 5 )
2x + 10 = 3x + 5
x = 5
bro = 5
sis = 15
Well, what to do after this ?
sister present = 3x or y
condition :
3x + 5 = 2( x + 5 )
2x + 10 = 3x + 5
x = 5
bro = 5
sis = 15
Well, what to do after this ?
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