SOLUTION: Amber says: "In 42 years years' time, I will be 4 times as old as I am now."
How old is Amber?
Algebra.Com
Question 1166447: Amber says: "In 42 years years' time, I will be 4 times as old as I am now."
How old is Amber?
Found 2 solutions by math_helper, greenestamps:
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!
x + 42 = 4x
Solve, and you will get x=14
Amber is 14.
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!
The difference between her age now and the age she will be when she is 4 times as old as she is now is 3 times as old as she is now. (Algebraically, if you want, the difference between 4x and x is 3x.)
She will be 4 times as old as she is now 42 years from now.
So 3 times as old as she is now is 42 years.
So her age now is 42/3 = 14 years.
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