Chocolates costing $8 per pound are to be mixed with chocolates costing $3 per pound to make a 20 pound mixture. If the mixture is to sell for $5 per pound, how many pounds of each chocolate should be used?

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Answer 1 · 2018-04-16T09:39:21

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#($8timesx) + ($3times(20-x)) = $5times20#

#8x + 60 -3x = 100#

#5x = 100-60#

#5x = 40#

#x=40/5 = 8#

Use 8 pounds of $8 per pound chocolate and 12 pounds of $3 per pound of chocolate. Final mix (20 pounds) price is $5 per pound.