A fraction problem in the second semester of the eighth grade The selling price of a and B grade soybeans is 4A yuan and 2A yuan per kilogram respectively. Now, the two kinds of soybeans are mixed and sold. If the quantity of a grade soybeans and B grade soybeans is 2B kg and 3b kg respectively, what is the reasonable selling price after mixing

A fraction problem in the second semester of the eighth grade The selling price of a and B grade soybeans is 4A yuan and 2A yuan per kilogram respectively. Now, the two kinds of soybeans are mixed and sold. If the quantity of a grade soybeans and B grade soybeans is 2B kg and 3b kg respectively, what is the reasonable selling price after mixing

Weighted average
(4a*2b+2a*3b)/(2b+3b)=14a/5