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A coffee supply store waits until the orders for its special blend to reach 100 pounds before making up a batch. Colombian coffee selling for $8.75 a pound is blended with Brazilian coffee selling for $3.75 to make a product that sells for $6.35 a pound. How much of each type of coffee should be used to make the blend that will fill the orders?

Answer :

s0uptv
okay, so
let x = weight to be blended we know that the total weight will be 100p, and its price will be $6.35/pthen, x • $8.75/p + (100p - x) • $3.75 = 100p • $6.35 x$8.75/p + $375 - $3.75/p = $635/p x$5.00/p = $260/p x = 52p100 - x = 48p Proof: 52p x $8.75/p + 48p x $3.75/p = $6.35 x 100p$455 + $180 = $635 

hope this helps :^)

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