Two ways to ask about price. 1. Noun + 多少钱duō shǎo qián + 一yī + measure word e.g. 苹果多少钱一斤？ píng guǒ duō shǎo qián yì jīn？ How much is half a kilo of apples? 苹果五块一斤（Five yuan for half a kilo.） píng guǒ wǔ kuài yì jīn . 菠萝多少钱一个？ bō luó duō shǎo qián yí gè ? How much is for one pineapple? 菠萝十块一个。（Ten yuan each ） bō luó shí kuài yí gè 。 2. Noun+ 怎么卖zěn me mài？ e.g. 苹果怎么卖？（How much for the apple?） píng guǒ zěn me mài ?