Suppose that a company's equity is currently selling for $42.25 per share and that there are 1.9 million shares outstanding and 29 thousand bonds...

Every answer I see comes up with some number to multiply the D/E ratio by but they never explain what is or where it came from which is why I'm submitting this. I've seen plenty of examples but I don't know how/why/where that number comes from. Thank you.