SOLUTION: The area of a rectangular classroom is 420 square feet. If the length and width of the classroom are multiplied by 3, what will be the area of the new classroom?

Algebra ->  Rectangles -> SOLUTION: The area of a rectangular classroom is 420 square feet. If the length and width of the classroom are multiplied by 3, what will be the area of the new classroom?       Log On


   

Question 882488: The area of a rectangular classroom is 420 square feet. If the length and width of the classroom are multiplied by 3, what will be the area of the new classroom?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
Lw = 420ft^2
(3L)(3w) = 9•420ft^2