The length of a rectangle is 3 times longer than its width. If the area of the rectangle is 24 square inches, then what is the perimeter of the rectangle?

I know that the area formula is a=lw and the parameter is p=2l+2w. I just can't figure out what I'm supposed to do from here

Question

The length of a rectangle is 3 times longer than its width. If the area of the rectangle is 24 square inches, then what is the perimeter of the rectangle?

I know that the area formula is a=lw and the parameter is p=2l+2w. I just can't figure out what I'm supposed to do from here

directrix · Answer

|dw:1446524780180:dw|


4W*W = 24
 W^2 = 6
W = √6
L = 4√6
 ----------
 P = 2L + 2W
p+= 10√6
 P = 24.49 approx; 24.5 to the nearest tenth

Solution courtesy of @Alan3354 

@Tumblewolf