You can put this solution on YOUR website! .
Alex is 3 years younger than half her sister Denise’s age. If d is Denise’s age, how old is Alex’s age, in terms of d?
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Much better in English, this formulation should be
Alex is 3 years younger than half her sister Denise’s age.
If d is Denise’s age, what is is Alex’s age, in terms of d?
Solution
a (Alex) = - 3. ANSWER
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