Question 1110138
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John is 12 years old. Johns father is 25 years older than john, but 3q years younger than johns grandfather. How old is johns grandfather?
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<pre>
John, Father, Grandfather
j,    f,      g


According to the condition, those ages are
12,   37,     37+3q



<U>Answer</U>.  John's grandfather age is  37+3q.
</pre>

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<U>Be aware</U>:  &nbsp;&nbsp;the answer by &nbsp;@josgarithmetic &nbsp;&nbsp;"12+3q" &nbsp;&nbsp;is &nbsp;&nbsp;<U>W R O N G </U>.