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7-7Mixture problems

7-7Mixture problems. Objective to solve mixture problems. 7-7Mixture problems. Example 1: A health food store sells a mixture of raisins and nuts. Raisins sell for $3.50/kg and nuts sell for $4.75/kg. How many kg of each should be mixed to make 20 kg of this snack worth $4.00/kg.

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7-7Mixture problems

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  1. 7-7Mixture problems Objective to solve mixture problems

  2. 7-7Mixture problems • Example 1: A health food store sells a mixture of raisins and nuts. Raisins sell for $3.50/kg and nuts sell for $4.75/kg. How many kg of each should be mixed to make 20 kg of this snack worth $4.00/kg.

  3. 7-7Mixture problems • Example 1: A health food store sells a mixture of raisins and nuts. Raisins sell for $3.50/kg and nuts sell for $4.75/kg. How many kg of each should be mixed to make 20 kg of this snack worth $4.00/kg. • Find: kg of raisins and nuts • Let x = kg of raisins • What is expression for kg of nuts?

  4. 7-7Mixture problems • Example 1: A health food store sells a mixture of raisins and nuts. Raisins sell for $3.50/kg and nuts sell for $4.75/kg. How many kg of each should be mixed to make 20 kg of this snack worth $4.00/kg. • Write equations & Solve: • Cost of raisins + cost of nuts = total cost of mixture

  5. 7-7Mixture problems • Example 2: An auto mechanic has 300 mL of battery acid solution that is 60% acid. He must add water to this solution to dilute it so that it is only 45% acid. How much water should he add?

  6. 7-7Mixture problems • Example 2: An auto mechanic has 300 mL of battery acid solution that is 60% acid. He must add water to this solution to dilute it so that it is only 45% acid. How much water should he add?

  7. 7-7Mixture problems • Homework: p. 322 1 – 21 odds

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