Question 365798
15 pounds of cashews  $5.25 per pound. 
peanuts  $2.50 per pound, x pounds
mixture  $3.75 per pound? x+15 pounds
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15*5.25+2.50*x=3.75(x+15)
78.75+2.50x=3.75x+56.25
3.75x-2.50x=78.75-56.25
1.25x=12.50
x= 12.50/1.25
x= 10 pounds of peanuts
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m.ananth@hotmail.ca