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<?php $tea = 20; $tip = 0.05; $tep = 0.1; $tia = 0; $aat = 239.05; var_dump(($aat * (1 + $tip)) - ($tep * $tia) - ($tea * (1 + $tip)), 1 + $tip + $tep); //echo ($aat * (1 + $tip)) - ($tep * $tia) - ($tea * (1 + $tip)) / 1 + $tip + $tep;

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