The problem and answer of the formation of the equation of one variable and one degree Does anyone give me a question!

There are 6 mu of strawberries planted in a and B. in a, the yield per mu is 1200 kg, and the picking price is 60 yuan per kg. In B, the yield per mu is 2000 kg, and the picking price is 40 yuan per kg. If the annual total income of strawberries is 460000 yuan, how many Mu are there in a and B?
If a species is x mu, B species is (6-x) mu
60*1200x+40*2000(6-x)=46000
7200x+48000-8000x=46000
-800x+48000=46000
800x=2000
x=2.5
∴6-x=6-2.5=3.5

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