SOLUTION: The width of a rectangle is 2.5 cm and its area is 10.5 cm.What is the length?

Algebra ->  Surface-area -> SOLUTION: The width of a rectangle is 2.5 cm and its area is 10.5 cm.What is the length?       Log On


   

Question 984307: The width of a rectangle is 2.5 cm and its area is 10.5 cm.What is the length?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
width=2.5 cm
Area=10.5 cm^2 (note square)
Length * width =area
2.5 L=10.5; divide both by 2.5
L=4.2 cm