SOLUTION: how many pounds of salted nuts selling for $1.40 per pound should be mixed with 7 pounds of salted nuts selling for $2.40 per pound to obtain a mixture selling for $2.10 per pound

Question 452357: how many pounds of salted nuts selling for $1.40 per pound should be mixed with 7 pounds of salted nuts selling for $2.40 per pound to obtain a mixture selling for $2.10 per pound ?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
how many pounds of salted nuts selling for $1.40 per pound should be mixed with 7
pounds of salted nuts selling for $2.40 per pound to obtain a mixture selling for $2.10 per pound?
:
Let x = amt of $1.40 nuts required
:
A typical mixture equation
1.40x + 2.40(7) = 2.10(x+7)
1.4x + 16.8 = 2.1x + 14.7
16.8 - 14.7 = 2.1x - 1.4x
2.1 = .7x
x =
x = 3 lb of $1.40 nuts required
:
:
Check this out in the original mixture equation
1.4(3) + 2.4(7) = 2.1(3+7)
4.2 + 16.8 = 21

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