Solving Word Problems with Variables

The video tutorial covers solving story problems using algebraic equations. It begins with a problem involving students traveling in vans and buses, requiring the setup of equations to find the number of students per vehicle. The second problem involves calculating the cost of rose bushes and ornamental grass, again using equations to find individual costs. The teacher demonstrates how to manipulate equations to find solutions, emphasizing the importance of identifying variables and coefficients.

What is the first step in solving a story problem?

• Multiply the coefficients

• Identify the variables

• Add the equations

• Solve the equations

In the Yellowstone problem, what do the variables V and B represent?

• Trips and destinations

• Parks and schools

• Vans and buses

• Students and teachers

How many vans did High School A rent?

• 14

• 12

• 1

• 6

What is the total number of students from High School B?

• 139

• 14

• 12

• 650

What is the next step after setting up the equations?

• Identify the variables

• Get the coefficients to be the same

• Multiply the equations

• Read the problem again

How many students can each bus carry?

• 43

• 8

• 12

• 139

How many students can each van carry?

• 43

• 12

• 139

• 8

What is the first step in solving the rose bushes and grass problem?

• Add the equations

• Solve the equations

• Multiply the coefficients

• Identify the variables

What do the variables R and G represent in the second problem?

• Plants and flowers

• Bushes and grass

• Roses and gardens

• Rose bushes and ornamental grass

How much did Joe spend on rose bushes and grass?

• $238

• $65

• $130

• $108