Question 1155939
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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


<pre>
    Alex is 3 years younger than half her sister Denise’s age. 

    If d is Denise’s age, {{{highlight(cross(how))}}} {{{highlight(cross(old))}}} <U>what is</U> is Alex’s age, in terms of d? 
</pre>


<U>Solution</U>


<pre>
    a (Alex) = {{{d/2}}} - 3.     <U>ANSWER</U>
</pre>

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