Question 476006
Let {{{j}}} = Johns age
Let {{{k}}} = Karen's age
given:
{{{ k = 4j - 11 }}}
{{{ k = 49 }}}
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{{{ 49 = 4j - 11 }}}
{{{ 4j = 60 }}}
{{{ j = 15 }}}
John is 15 yrs old