Question

Hello, I am a parent needing help in giving my child help in pre algebra. Could you give me help so I can help explin and guide them to the answer. Thank you in advance. Here is the question:
Problem set B question 5
A rectangular field is three times as long as it is wide. The fence around the field's perimeter is 800 meters long. How wide is the field?
I have got that the ends are 100 and the sides are 300, how do I get it in expression formate?

Answer 1

Answer:

Ma’am/sir kindly check the attachment !

And try to answer! Wait I will inbox you

Step-by-step explanation:

Thanks!