Solving 3 Systems Word Problems

This video tutorial covers solving word problems using systems of equations. It includes three examples: buying peanut bags, organizing a ski trip with vehicles, and mixing sulfuric acid solutions. The tutorial demonstrates using substitution and elimination methods to find solutions, emphasizing the importance of setting up equations correctly and understanding the context of each problem.

What are the two variables used in the peanut bag problem?

• X for three-pound bags, Y for one-pound bags

• X for the total cost, Y for the total weight

• X for the number of bags, Y for the total cost

• X for one-pound bags, Y for three-pound bags

Tags

CCSS.8.EE.C.8C

How much does a one-pound bag of peanuts cost?

• $5.50

• $3

• $1

• $2

Tags

CCSS.6.EE.B.7

What is the total number of bags bought in the peanut problem?

• 10

• 5

• 3

• 7

Tags

CCSS.8.EE.C.7B

How many three-pound bags were bought in the peanut problem?

• 4

• 1

• 2

• 3

Tags

CCSS.7.EE.B.4A

How many one-pound bags were bought in the peanut problem?

• 3

• 4

• 2

• 1

Tags

CCSS.7.EE.B.4A

How many chaperons are driving in the transport problem?

• 3

• 6

• 4

• 5

How many people can a van seat in the transport problem?

• 6

• 5

• 8

• 7

How many sedans are used in the transport problem?

• 4

• 3

• 2

• 1

What is the desired concentration of the sulfuric acid solution in the chemistry problem?

• 50%

• 40%

• 30%

• 20%

How many milliliters of the 50% solution are used in the chemistry problem?

• 1

• 4

• 3

• 2

Tags

CCSS.7.EE.B.4A