SOLUTION: Bisi's and fibie's ages add up to 29.7years ago bisi was twice as old as fibie.find their present ages
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Question 843440: Bisi's and fibie's ages add up to 29.7years ago bisi was twice as old as fibie.find their present ages
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
B + F + 29
B = 29 - F
7 years ago
B - 7 = 2(F - 7)
B - 7 = 2F - 14
Replace B with 29 - F
29 - F - 7 = 2F - 14
Collect like terms:
-3F = -36
F = 12
Bisi = 17 yrs old and Fibie = 12 yrs old
Hope this helps.
:-)
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