# SOLUTION: The nutty shoppe has 10kg of mixed pecans and cashews which sell for \$8.40 per kilogram. Cashews alone sell for \$8.00 per kilogram, and pecans sell for \$9.00 per kilogram. How many

Algebra ->  Algebra  -> Polynomials-and-rational-expressions -> SOLUTION: The nutty shoppe has 10kg of mixed pecans and cashews which sell for \$8.40 per kilogram. Cashews alone sell for \$8.00 per kilogram, and pecans sell for \$9.00 per kilogram. How many      Log On

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 Question 596032: The nutty shoppe has 10kg of mixed pecans and cashews which sell for \$8.40 per kilogram. Cashews alone sell for \$8.00 per kilogram, and pecans sell for \$9.00 per kilogram. How many kilograms of pecans are there in the mix?Answer by josmiceli(9681)   (Show Source): You can put this solution on YOUR website!Let = kg of pecans Let = kg of cashews Cost of pecans used = Cost of cashews used = Cost of mixture = --------------------------- (1) (2) ----------------- Multiply both sides of (2) by and subtract (2) from (1) (1) (2) and, since (2) (2) (2) ------------- There are 4 kg of pecans in the mixture check answer: (1) (1) (1) (1) OK