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<?php
function salestax($price,$tax) {
function convert_pound($dollars, $conversion=1.6) {
return $dollars * $conversion;
}
$total = $price + ($price * $tax);
echo "Total cost in dollars: $total. Cost in British pounds: ".convert_pound($total);
}
salestax(15.00,.075);
echo convert_pound(15);
?>
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