SOLUTION: How many pounds of candy worth $2.50 Per pound must be added to 20 pounds of Chocolate worth $10.50 per pound to form a mixture worth $7.50 per pound?

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Question 947166: How many pounds of candy worth $2.50 Per pound must be added to 20 pounds of Chocolate worth $10.50 per pound to form a mixture worth $7.50 per pound?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Form an expression for dollars%2Fpounds.

p, how many pounds of the candy, $2.50 per pound to add.

%28%282.5%29p%2B%2810.5%29%2820%29%29%2F%28p%2B20%29=7.5


Also you could study this:
http://www.algebra.com/my/Two-Part-Mixture-with-one-material-quantity-unknown.lesson?content_action=show_dev