How many pounds of raisins worth $3 per pound must be mixed with 10 pounds of peanuts worth $2.40 to produce a mixture worth $2.80?

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Melissa -Read the problem carefully.  What are they looking for?  They want to know the number of pounds of raisins, agree?So, there is one unknown variable in this problem. Let's call that variable x (number of pounds of raisins).  Now write out the formula from the words:x($3) + 10($2.40) = (x + 10)($2.80)Now, simply solve this equation for x and you will have your answer.Hope that helps