formula 10-9

<?php

$wala = 92;
$meron = 101;

$percent = (90/100);

if ($wala === $meron) {
	$meron = $meron;
	$wala = ($percent*$meron);
} else {
	
	// pag mataas ang total nang meron kesa sa wala
	if ($meron > $wala) {
		$meron_perc = ($percent*$meron); // meron 90%
		
		if ($wala === $meron_perc) {
			$wala = $meron_perc;
		} else if ($wala > $meron_perc) {
			$wala = ($wala)-($wala-$meron_perc);
		} else if ($wala < $meron_perc) {
			$percenty = round($percent*$meron);
			$meron = $meron-(round(($percenty-$wala)));
		}
	}
}

echo "Meron: $meron <br> Wala: $wala<br>";