I'm going to do it anyway

[emax4]

If someone like that asks again after you've already told her the answer, simply start walking off while they're in mid-sentence. They can't say "She ignored me" after you've already told her the answer earlier, but you can always say, "I didn't hear her ask again.."

[Food Lady]

I did walk off because I was tempted to move her cart clear over by the bathrooms, since it was totally blocking the path to the dining area, which I'd just said. But if I had moved it over there, around the corner and out of my sight, she would've pitched a fit. That was my bigger problem; she was blocking where my other customers needed to go.

[emax4]

I still would have moved it. Better to get slack from one customer than to get slack from more than one customer. Your management would have agreed on that one. If they would protest, ask them if they would want to lose many customers or one customer.

[EricKei]

Quoth emax4

They can't say "She ignored me" after you've already told her the answer earlier

Sure she could. 'Tis called "lying"