Unit 5 - Elimination (Part 2) - Chris Long | Library

A rental company charges a flat fee of x dollars for a floor sander rental plus y dollars per hour of the rental.  One customer rents a floor sander for 4 hours and pays $63.  Another customer rents a floor sander for 6 hours and pays $87.

What would your equations look like?
Confused?  Click here for a video explanation.

1

Find the flat fee (x):

1

Find the cost per hour for the rental (y)

Click here for a video explanation of how to find 1 and 2.

1

How much would it cost someone to rent a sander for 11 hours?

Click here for a video explanation of how to find 3.

Two families go to a hockey game.  One family purchases two adult tickets and four youth tickets for $28.  Another family purchases four adult tickets and five youth tickets for $45.50.  Let x represent the cost in dollars of one adult ticket and let y represent the cost in dollars of on youth ticket.

1

Write a linear system that represents this situation. Put a comma between your two equations. (I have to read this one to grade it)

Click here for a video explanation of how to find 4.

1

Solve the linear system to find the cost of one adult ticket. (x)

1

Solve the linear system to find the cost of one youth ticket. (y)

Click here for a video explanation of how to find 5 and 6.

1

How much would it cost two adults and five youths to attend the game?

Click here for a video explanation of how to find 7.

Use elimination to solve the following systems:

1

Click here for a video explanation of how to find 8.

1

Click here for a video explanation of how to find 9.

1

Click here for a video explanation of how to find 10.

1

Click here for a video explanation of how to find 11.