SOLUTION: Store mixes Brazillian coffee worth $10 per kilo and Turkish coffee worth $13 per kilo. The mixture needs to sell for $11 per kilo. Find out how much of each should be used to make

Question 396320: Store mixes Brazillian coffee worth $10 per kilo and Turkish coffee worth $13 per kilo. The mixture needs to sell for $11 per kilo. Find out how much of each should be used to make 564 kilo mixture.
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = kilos of Brazilian coffee to use
Let = kilos of Turkish Coffee to use
given:
(1)
(2)
Multiply both sides of (1) by
(1)
Multiply both sides of (2) by , and
subtract from (1)
(1)
(2)

and, from (2),

376 kilos of Brazilian coffee are needed
188 kilos of Turkish Coffee are needed

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