<?php

error_reporting(-1);

$target = 1000000; /* цель */
$balance = 10000; /* вклад */ 
$percent = 1.10; /* проценты */
$yearsOld = 16;	/* возраст */

for ($years = 1; $years<= 100; $years++) {
	$balance = $balance * $percent;
	$yearsOld = $yearsOld + 1;
	
	if ($balance >= $target) {
		echo "прошло лет =  {$years}, возраст = {$yearsOld}, выплачено = {$balance}";
		break;
	}
}