SOLUTION: a grocer wants to mix nuts which sell for rs 4 per kilo with nuts which sell for rs 7 per kilo in order to make a mixture which could sell for rs 5 per kilo.How many kilos of each

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: a grocer wants to mix nuts which sell for rs 4 per kilo with nuts which sell for rs 7 per kilo in order to make a mixture which could sell for rs 5 per kilo.How many kilos of each      Log On


   

Question 585063: a grocer wants to mix nuts which sell for rs 4 per kilo with nuts which sell for rs 7 per kilo in order to make a mixture which could sell for rs 5 per kilo.How many kilos of each should he mix to get a mixture of 42 kilos?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x+y=42
4x+7x=5*42
x=210/11 about 19
y=252/11 about 23