SOLUTION: How many kilos of a third class rice selling at 1.10 per kilo will I mix with 50 kilos of first class rice selling at 1.40 per kilo in order to producerice that can sell at 1.20 pe

Question 571484: How many kilos of a third class rice selling at 1.10 per kilo will I mix with 50 kilos of first class rice selling at 1.40 per kilo in order to producerice that can sell at 1.20 per kilo?
help i need the solution :)
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
How many kilos of a third class rice selling at 1.10 per kilo will I mix with 50 kilos of first class rice selling at 1.40 per kilo in order to producerice that can sell at 1.20 per kilo?
let x= kilos of third class rice to mix with 50 kilos of first class rice
1.10x+50*1.40=(50+x)*1.20
1.10x+70=60+1.20x
.10x=10
x=100
ans:
kilos of third class rice to mix with 50 kilos of first class rice=100
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