Answer:
$23.40
Explanation:
Total money of William = Money from Lemonade + Money from Cookies
Money from lemonade:
It is given as $17.55
Money from cookies:
It is
of money from lemonade. So we have;

So, $5.85 from cookies.
Hence, total money of William is $17.55 + $5.85 = $23.40