Mixture Problems

Jenny wants to make 13 L of a 52% acid solution by mixing together a 56% acid solution and a 43% acid solution. How much of each solution must she use?

• 6 L of 56% solution, 7 L of 43% solution

• 3 L of 56% solution, 10 L of 43% solution

• 9 L of 56% solution, 4 L of 43% solution

• 12 L of 56% solution, 1 L of 43% solution

Tags

CCSS.8.EE.C.8C

How many quarts of a 75% acid solution must be mixed with 3 quarts of a 10% acid solution to make a 60% solution?

• 15 quarts

• 10 quarts

• 9 quarts

• 5 quarts

Tags

CCSS.8.EE.C.7B

At the Golden Oldies Theater, tickets for adults cost $5.50 and tickets for children cost $3.50. There were 21 total tickets purchased for $83.50. How many children tickets were purchased?

Tags

CCSS.8.EE.C.8C

Ground chuck sells for $1.75 per pound and ground round sells for $2.45 per pound. How many pounds of ground round should be mixed with 20 pounds of ground chuck to obtain a mixture that sells for $2.05 per pound?

Tags

CCSS.HSA.CED.A.1

How many pounds of nuts costing $2.50 per pound should be mixed with 2 pounds of nuts costing $4.50 per pound to obtain a mixture costing $3.00 per pound?

• 6 lb

• 15 lb

• 2 lb

• 1.5 lb

Tags

CCSS.HSA.CED.A.1