Plug the numbers and see if they fit
Answer:
The measure of the length is 
Step-by-step explanation:
Let
x-----> the length of rectangle
y-----> the width of rectangle
we know that
The perimeter of rectangle is equal to


so

Simplify
-----> equation A
----> equation B
Substitute equation B in equation A and solve for y




Find the value of x

Answer:
Step-by-step explanation:
The first thing to do is to remove the brackets.
2(1/5m - 2/5) + 3/5
2m / 5 - 4/5 + 3/5 Now combine the like terms
2m/5 +( - 4 + 3) / 5
2m/5 - 1/5 And this is your answer. You cannot go further.