Job Recruitment Website - Job information - A factory wants to recruit 150 workers in ab, and the monthly wages of workers in A and B are 600 yuan and 1000 yuan respectively.
A factory wants to recruit 150 workers in ab, and the monthly wages of workers in A and B are 600 yuan and 1000 yuan respectively.
Monthly salary Y=600a+ 1000b.
a+b= 150……①
b & gt=2a……②
2a+a+b comes from ①+② < = 150+b, that is, A.
① The formula can be changed to b = 150-a...③.
Substitute formula ③ into Y=600a+ 1000b:
y = 600 a+ 1000( 150 a)= 150000-400 a
So when a=50, the minimum value of y is 130000.
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