Question 1149870
Let {{{ x }}} = EJ's age now
{{{ x + 10 }}} = Joy's age now
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{{{ x - 5 = ( 1/3 )*( x + 10 - 5 ) }}}
{{{ 3*( x - 5 ) = x + 5 }}}
{{{ 3x - 15 = x + 5 }}}
{{{ 2x = 20 }}}
{{{ x = 10 }}}
and
{{{ x + 10 = 20 }}}
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EJ is 10
Joy is 20
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check answer:
5 yrs ago, 
EJ is 5
Joy is 15
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{{{ 5 = (1/3)*15 }}}
{{{ 5 = 5 }}}
OK