How many pounds of peanuts costing $1.90/lb and raisins costing $2.50/lb should mr. bruckner mix to make 12 lb of a trail mix that costs $2.05/lb?

We have been given the cost of peanuts as $1.90/lb and cost of raisins as $2.50/lb.

We need to figure out how much of peanuts should be mixed with raisins to make 12 pounds of trail mix that costs $2.05/lb.

Let x pounds of peanuts should be mixed with (12-x) pounds of raisins. Therefore, we can set the total cost before mixing with total cost after mixing.

Therefore 9 lbs of peanuts should be mixed with 3 lbs of raisins.

answer: 1) twenty-seven times y

              2) twenty-seven multiplied by y

y > 1/3x

y < = -x + 4

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