[填空题]
A fast-food restaurap* lpr3 lv:a5zyi+,pyneorpih 3e9v xs)m1a -sy0x,8 wt uses a conveyor belt to send the burgers through a grilling machine. If the grilling machine is 1.1 m long and the burgers require 2.5 min tp-y s 381ewaiv9 )0ohxr ,mexso cook, how fast must the conveyor belt travel? If the burgers are spaced 15 cm apart, what is the rate of burger production (in burgers/min)?
m/min
$\frac{burgers}{min}$
