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Homework

Homework. Jenny mixes a 30% saline solution with a 50% saline solution to make 800 milliliters of a 45% saline solution. How many milliliters of each solution does she use?. #1. a = amount of 30% saline solution. 0.45(800) = 360. b = amount of 50% saline solution. +. 30%. 50%. 45%. =.

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Homework

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  1. Homework Jenny mixes a 30% saline solution with a 50% saline solution to make 800 milliliters of a 45% saline solution. How many milliliters of each solution does she use? #1 a = amount of 30% saline solution 0.45(800) = 360 b = amount of 50% saline solution + 30% 50% 45% = solution solution solution Amount of Solution a b 800 360 0.30a 0.50b Saline

  2. Homework Jenny mixes a 30% saline solution with a 50% saline solution to make 800 milliliters of a 45% saline solution. How many milliliters of each solution does she use? #1 a = amount of 30% saline solution b = amount of 50% saline solution 200 ml of 30% solution 600 ml of 50% solution

  3. Homework Peanuts cost $1.60 per pound and raisins cost $2.40 per pound. Brad wants to make 8 pounds of a mixture that costs $2.20 per pound. How many pounds of peanuts and raisins should he use? #2 P= amount of peanuts (lbs.). 2.20(8) = 17.60 R = amount of Raisins (lbs.) + = Mixture Raisins Peanuts R 8 P Amount (lbs) 2.40R 17.60 1.60P Cost ($)

  4. Homework Peanuts cost $1.60 per pound and raisins cost $2.40 per pound. Brad wants to make 8 pounds of a mixture that costs $2.20 per pound. How many pounds of peanuts and raisins should he use? #2 P= amount of peanuts (lbs.). R = amount of Raisins (lbs.) 2 pounds of Peanuts 6 pounds of Raisins

  5. Homework A pharmacist wants to mix medicine that is 10% aspirin with a medicine that is 25% aspirin to make 10 grams of a medicine that is 16% aspirin. How many grams of each medicine should the pharmacist mix together? #3 a = amount of 10% aspirin 0.16(10) = 1.6 b = amount of 25% aspirin + 10% 25% 16% = Amount of medicine a b 10 1.6 0.10a 0.25b aspirin

  6. Homework A pharmacist wants to mix medicine that is 10% aspirin with a medicine that is 25% aspirin to make 10 grams of a medicine that is 16% aspirin. How many grams of each medicine should the pharmacist mix together? #3 a = amount of 10% aspirin b = amount of 25% aspirin 6 grams of the 10% aspirin 4 grams of the 25% aspirin

  7. Homework A coffee shop plans on selling it’s house blend for $8.50 per pound. The mix will be made from Mexican beans that cost $7 per pound, with Costa Rican beans that cost $9 per pound. How many pound of Costa Rican beans are needed to make 150 pounds of the house blend? #4 M= amount of Mexican beans (lbs.). 8.50(150) = 1275 C = amount of Costa Rican beans (lbs.) + = Costa Rican Mexican Blend C 150 M Amount (lbs) 9C 1275 7M Cost ($)

  8. Homework A coffee shop plans on selling it’s house blend for $8.50 per pound. The mix will be made from Mexican beans that cost $7 per pound, with Costa Rican beans that cost $9 per pound. How many pound of Costa Rican beans are needed to make 150 pounds of the house blend? #4 M= amount of Mexican beans (lbs.). C = amount of Costa Rican beans (lbs.) 112.5 pounds of Costa Rican beans

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