solve using linear equation
Asked by rohitkumarh94 | 11th Mar, 2010, 07:20: PM
Expert Answer:
Dear Student
Say Girl age = x
sister age= x/2
and (x+4) X (x/2 + 4) = 160
x^2 /2 +16+6x=160
x^2 +12x-288=0
==> x=-6 +/- 18
Posible solution is x=12
Regards
Team
Topperlearning.com
Answered by | 11th Mar, 2010, 08:16: PM
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