18.
“I recently found out that in Canadian schools, 80% is an A?”
“My husband was a straight-A student in Canadian high school, and so was I, but I went to American high schools… my As were earned at 90% and up, so now I make fun of him and every time he does something dumb, I’m like, ‘Yeah, that’s that 80% coming out!'”
–u/mrstruong