# math

posted by
**aiyunna**
.

the length of a rectangular playing field is 5ft less than twice its width. If the perimeter is of the playing field is 230ft, find the lenght and width of the field.

How would I even begin to set up the equatin let alone solve the equation

230=2w-5+2w-5+w+w

this is bcus your length being 2w-5. so you add length+length+width+width=per.

then 230=6w-10

240=6w

240/6=w

So your width is 40 and you length is 75