[this pun probably doesn't work in any capacity in japanese but let me live]
What are the letters doing here? [She aggressively taps an equation with her finger.] We said we weren't learning English today. Why are there letters? Why have they invaded?
no subject
[this pun probably doesn't work in any capacity in japanese but let me live]
What are the letters doing here? [She aggressively taps an equation with her finger.] We said we weren't learning English today. Why are there letters? Why have they invaded?
[AMERICA EXPLAIN]
no subject
She laughs politely at the joke, but.]
They're variables. The letters represent numbers that you don't know yet. You've encountered 'solve for x', haven't you?