Jack is making a rectangular flag in art class. He has created the main part of the flag, which measures 2 feet by 1 foot. He wants to use exactly 10 square feet of material to create the flag's border.

a. Create an equation you can use to find the required width of the border, x.

(Hint: Draw a picture of this! What is the total area of the flag before the border is added on? What is the new area of the flag? With these two expressions, what is the area of the border?)

b. How wide should the border of the flag be?

(Hint: Solve the equation from Part A.)

Question

Jack is making a rectangular flag in art class.  He has created the main part of the flag, which measures 2 feet by 1 foot.  He wants to use exactly 10 square feet of material to create the flag's border.

 

a.  Create an equation you can use to find the required width of the border, x.

(Hint: Draw a picture of this!  What is the total area of the flag before the border is added on?  What is the new area of the flag?  With these two expressions, what is the area of the border?)

 

b.  How wide should the border of the flag be?

(Hint: Solve the equation from Part A.)