Word Problems Involving Equations

This video tutorial covers seventh-grade mathematics, focusing on solving equations and matching them to real-world situations. It includes four main problems: calculating the number of markers in boxes, understanding a diagram equation, matching expressions to a walking time story, and aligning equations with various story problems. The video concludes with a call to support the channel.

How many markers were originally in each box if 15 markers were given to each of three teachers and 90 markers were left?

• 60

• 45

• 30

• 75

In the equation 25 = 2 + 6x, what does the '6' represent in the diagram?

• Six subtracted units

• Six total units

• Six equal parts of x

• Six additional units

If Elena walked 20 minutes more than Lynn and Jada walked twice as long as Elena, how long did Jada walk?

• 120 minutes

• 40 minutes

• 60 minutes

• 90 minutes

Which expression represents the number of minutes Lynn walked if Elena walked 20 minutes more?

• 20 + x

• x - 20

• x + 20

• 20 - x

In the story where Jada's teacher fills a travel bag with textbooks, what equation represents the total weight?

• x + 5 = 17

• 3x + 5 = 17

• 5x + 3 = 17

• 5x = 17

How is the increase in length of each rectangle represented in the equation for the school play scenery?

• x + 3 = 17

• 3x + 5 = 17

• 3x = 17

• 5x + 3 = 17

What does the '5' represent in the equation 5x + 3 = 17 in the context of Elena buying bookmarks?

• The price of a bookmark

• The number of cousins

• The number of bookmarks

• The total cost

In the food pantry story, what does the '3' represent in the equation 5x + 3 = 17?

• Number of bags

• Total weight

• Weight of papers

• Weight of groceries

How many pencils does Noah have if Andre has three times as many pencils and five pens, totaling 17 items?

• 5

• 4

• 3

• 2

What is the total number of pens and pencils Andre has if he has three times as many pencils as Noah and five pens?

• 16

• 17

• 18

• 15