Question 794676
The difference in their ages will
always be the same which is 17 yrs
Let {{{ u }}} = uncle's age
Let {{{ n }}} = nephew's age
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{{{ n = u - 17 }}}
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{{{ u = n + 17 }}}
{{{ u = 3n }}}
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{{{ 3n = n + 17 }}}
{{{ 2n = 17 }}}
{{{ n = 8.5 }}}
and
{{{ u = 3n }}}
{{{ u = 3*8.5 }}}
{{{ u = 25.5 }}}
Uncle is 25 and 1/2
Nephew is 8 and 1/2
when uncle is 3 times 
nephew's age