Question 570911
Call the lowest number {{{ n }}}
The next higher even number is {{{ n + 2 }}}
given:
{{{ n + n + 2 = 1058 }}}
{{{ 2n = 1058 - 2 }}}
{{{ 2n = 1056 }}}
{{{ n = 528 }}}
{{{ n + 2 = 530 }}}
The classroom numbers are 528 and 530
check:
{{{ 528 + 530 = 1058 }}}
{{{ 1058 = 1058 }}}
OK