SOLUTION: Alice works in a nut shop. She is suppose to add some Spanish peanuts worth 84cents a pound to 40 lbs of Virginia Peanuts worth 71 cents a pound to make a mixture worth 79 cents a

Question 1001820: Alice works in a nut shop. She is suppose to add some Spanish peanuts worth 84cents a pound to 40 lbs of Virginia Peanuts worth 71 cents a pound to make a mixture worth 79 cents a pound. How many pounds of Spanish peanuts should he add?
* plz, it would be great if you used a table chart or explained step by step. Thanks!
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
Table or Chart? Creating one would seem more trouble than needed. Maybe try to understand this as a uniform rates situation.

Cost does not appear in the description; only prices and quantities. Cost will need to be included and the person analyzing the problem should include cost.

               Price        Qty     COST

Spanish         84           x      84x

Virginia        71          40      71*40

Mixture         79         x+40     84x+71*40

Now, use the basic formula relating price, quantity and cost. The expressions and numbers are shown in the Mixture row.

Solve for x. That is the quantity of Spanish Peanuts to use for making the needed mixture price.
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