10 and 11 is 21... that is what it means
Answer:
Los chicos <em><u>vuelven</u></em>.
Explanation:
<span>¿_La_ leche se pone en flan? Se ponen 14 onzas de leche condensada y 12 onzas de leche evaporada
</span>
You could fill it in with a lot of different words depending on the region, but I would personally go with either quisquilloso or exigente. Both mean picky eaters in this situation.