Question 1130585
Let {{{ a }}} = Isabela's age now
{{{ 2a }}} = Margarette's age now
{{{ 2a + (1/2)*a = 60 }}}
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{{{ 4a + a = 120 }}}
{{{ 5a = 120 }}}
{{{ a = 24 }}}
and
{{{ 2a = 48 }}}
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{{{ 24 - 7 = 17 }}}
{{{ 48 - 7 = 41 }}}
Isabela was 17
Margarette was 41