[ml1201]

"Ah, they taught us both ways at the school I went to but told use public schools don't normally teach in metric, seems you were lucky then." Don smiles, glad he picked an easy on for Vincent to make sure he was still okay with the idea. "Alright, you're turn to ask me a question then. It can be anything about the topics covered in class." His smiles becomes a bit cocky, having taken the class before he knew he'd get most of the answers correct, but he'd let Vincent have some fun and get some wrong on purpose.