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How many pounds of candy selling for 2.25 a pound should be added to two pounds of candy selling for 3.75 a pound to create a blend which will sell for 2.85?
Wiki User
∙ 10y ago
$2.25x + $3.75*2= $2.85x
x=12.5
I don't know if this is right so.... I'll get back to you.
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Answer #2:
(2.25 x) + (3.75 * 2) = (2.85) * (x + 2)
(2.25 x) - (2.85 x) = (2.85 - 3.75) * 2 = -1.8
0.6 x = 1.8
x = 1.8/0.6 = 3 pounds
Check:
3 pounds @ $2.25 costs $6.75
2 pounds @ $3.75 costs $7.50
Total . . . 5 pounds, costing $14.25
$14.25/5 = $2.85 yay
Wiki User
∙ 10y ago
Let x be the pounds of 2.25 candy added. The total cost of the blend is the weighted average of the costs of the separate candies, so we have the equation (2.25x + 2(3.75))/(x + 2) = 2.85. Solving for x, we find that x = 1. This means 1 pound of candy selling for 2.25 should be added to 2 pounds of candy selling for 3.75 to create the desired blend.
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