SOLUTION: At present, Bob is twice as old as Alice. In 20 years time, the ratio of Alice to Bob�s age will be 9:13. How old is Alice now

SOLUTION: At present, Bob is twice as old as Alice. In 20 years time, the ratio of Alice to Bob�s age will be 9:13. How old is Alice now

Algebra.Com

Question 1051147: At present, Bob is twice as old as Alice. In 20 years time, the ratio of Alice to Bob�s age will be 9:13. How old is Alice now
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!

and

Substituting,

Then,

RELATED QUESTIONS
Alice is 8 years older than bob Three years from now Alice will be twice as old as bobs... (answered by erica65404)

Suppose that Bob is four years older than Alice. In two years, Bob will be twice... (answered by josmiceli,Alan3354)

"4 years ago Jane was twice as old as Alice. In 4 more years Alice will be 2/3 of Jane's... (answered by stanbon)

Marisa and Alice' age total to 44 years. If marisa is twice as old as Alice was when... (answered by ankor@dixie-net.com)

1.In 6 years time I will be twice as old as I was 8 years ago. Determine my age. 2.Bob... (answered by ikleyn)

Bob is three times older than Alice. Ten years ago Bob's age was twice that what Alice's... (answered by Cromlix)

Alice is 10 years older as her brother Alex. In 5 years, she will be twice as old s her... (answered by josgarithmetic)

Alice is 8 years older than her brother john. in 5 years she will be twice as old as... (answered by Earlsdon)

Alice is 6 years older than Lois. In two years Alice will be twice as old as Lois. How... (answered by greenestamps)