257,650 rounded to the nearest hundred is 257,700 because it is right at the border (50) we have to round up.
9 I think, soo sorry if i'm wrong...
Answer:
or 
Step-by-step explanation:
Multiply both sides of the equation by 

Simplify both sides of the equation.
or 
<em>hope this helps :)</em>
Answer:

Step-by-step explanation:

The formula of perimeter of the rectangle:

Substitute:

