SOLUTION: Alice is 8 years older than bob
Three years from now Alice will be twice as old as bobs current age
How old are Alice and bob
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Question 950742: Alice is 8 years older than bob
Three years from now Alice will be twice as old as bobs current age
How old are Alice and bob
Answer by erica65404(394) (Show Source): You can put this solution on YOUR website!
A = Alice's age B = Bob's age
Start out by writing 2 equations that match the information given.
Alice's age = Bob's age + 8 years
Bob's age times 2 = Alice's age in 3 years
Alice's age in 3 years is the same as her age + 3 years
Plug The first equation into the second equation using the substitution method.
plug in into the second equation where there is an .
solve for B
Bob's current age is 11.
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