SOLUTION: Susan wants to mix 10pounds of virginia peanuts that cost $3.50 a pound with spanish peanuts that cost $3.00 a pound to obtain a mixture that costs $3.20 a pound. How many pounds o

SOLUTION: Susan wants to mix 10pounds of virginia peanuts that cost $3.50 a pound with spanish peanuts that cost $3.00 a pound to obtain a mixture that costs $3.20 a pound. How many pounds o

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Question 283409: Susan wants to mix 10pounds of virginia peanuts that cost $3.50 a pound with spanish peanuts that cost $3.00 a pound to obtain a mixture that costs $3.20 a pound. How many pounds of Spanish peanuts must she use?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
10*3.5+x*3=3.2(x+10)
x=15
add 15 pounds of Spanish peanuts

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