Question 914772
Let {{{ c }}} = the cost to build 1 chair
{{{ 3c }}} = the cost to build a table
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{{{ 336 = 3c + c }}}
{{{ 4c = 336 }}}
{{{ c = 84 }}}
and
{{{ 3c = 252 }}}
One table costs $252 to build
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check:
{{{ 336 = 252 + 84 }}}
{{{ 336 = 336 }}}
OK