A pound of raisins costs $2.00, and a pound of almonds costs $5.00. Six pounds of a trail mix contains 2 more pounds of raisins than almonds. What is the cost of the 6 pounds of trail mix?

Let the pounds of almonds be x, so the raisins weigh x + 2 pounds. Since the mix weighs 6 pounds, x + (x + 2) = 6, giving 2 pounds of almonds and 4 pounds of raisins. The cost is 2($5) + 4($2) = $18, so the correct choice is B, $18.00.

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