SOLUTION: Today Jack is twice as old as Jill. In ten years’ time Jack will be one and a half times as old as Jill.
How old will Jack and Jill be in twenty years’ time?
Algebra.Com
Question 894482: Today Jack is twice as old as Jill. In ten years’ time Jack will be one and a half times as old as Jill.
How old will Jack and Jill be in twenty years’ time?
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
x for Jack
y for Jill
and in ten years, .
Solve the system:
Once that is solved, you want to evaluate x+20 and y+20.
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