Question

The length of a rectangular field is 5 meter less than 4 times its width. The perimeter is 90 meters. Calculate the length and width of the field.
please help
P=2L+2W
90=2(4w-5)+2w
90=8w-10+2w
90+10=10w
100/10 == 10w/10
10=w

Related Questions

The length of a rectangular field is seven meters less than four times the width. The perimeter is 1... To enclose rectangular field whose area is 68200 square meter, a farmer used 1460 m of fencing mater... A rectangular field has a perimeter of 400 yards. The length of the field is three times the width.... A rectangular playing field has a perimeter of 60 m. The length of the field is five times as long a...