SOLUTION: A rectangle's length, l, is 5 times the width, w. If the area of the rectangle is 80 cm2, what are the dimensions of the rectangle?

Question 522495: A rectangle's length, l, is 5 times the width, w. If the area of the rectangle is 80 cm2, what are the dimensions of the rectangle?
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Start with the formula for the area of a rectangle:
Substitute and
Simplify.
Divide by 5.
Take the square root.
and...

The dimensions are:
Length = 20cm. and width = 4cm.
RELATED QUESTIONS
The length of a rectangle is 5 cm more than 4 times its width. If the area of the... (answered by ptaylor)

The length of a rectangle is 5 cm more than 4 times its width. If the area of the... (answered by stanbon,checkley71)

Find the width of the rectangle, if the area of the rectangle is 54 cm2. The area A of a... (answered by ikleyn)

The length, L, of a rectangle is increased by 50% and the width, W, is doubled to form a (answered by richwmiller)

The area of a rectangle is 72 cm2 . The length, l, of the rectangle is 6 cm longer than... (answered by Alan3354)

The length of a rectangle is 4 cm more than 2 times its width. If the area of the... (answered by ptaylor)

A rectangle has a width of 3X+5, the length is twice this. If the perimeter is 228 find (answered by mananth)

Question: If the area of a golden rectangle is 6m squared, what are the length and width... (answered by Fombitz)

If a rectangle with length l and width w has a perimeter of 2, what are the dimensions of (answered by Alan3354)