Mixture Problems Algebra 2 Concepts

3 gallons of a 20% sugar solution is mixed with 5 gallons of a 50% sugar solution. What is the concentration of the mixture?

• 30%

• 40%

• 41.875%

• 38.75%

Tags

CCSS.8.EE.C.7B

100 mL of a 12% saline solution is mixed with 250 mL of an 18% saline solution. What is the concentration of the resulting mixture?

• 14.1%

• 16.3%

• 22.5%

• 18%

Tags

CCSS.8.EE.C.7B

A 20 pound bag of calf starter mix (used to get baby calves to start eating food instead of milk) contains 50% corn. It is mixed with a 30 pound bag that contains 65% corn. What is the concentration of corn in the resulting mixture?

• 55%

• 57%

• 59%

• 61%

Tags

CCSS.8.EE.C.7B

Mrs. Dibble wants to create the perfect grass seed blend to use on her lawn this summer. She mixes a 5 pound bag that is 70% Kentucky Blue Grass with an 8 pound bag that is 50% Kentucky Blue Grass. What is the concentration of Kentucky Blue Grass in Mrs. Dibble's mixture?

• 57.7%

• 55.5%

• 60%

• Who cares? She's going to have a great lawn this summer!

Tags

CCSS.8.EE.C.7B

Bob mixes his 20 ounce protein shake that is 50% milk with 10 more ounces of whole milk. What concentration of milk is in the resulting drink?

• 54.7%

• 55%

• 66.7%

• 80%

Tags

CCSS.8.EE.C.7B