SOLUTION: Find the dimensions of a rectangle whose length is 4 times the width and whose area is 100 square centimeters

Algebra.Com
Question 954248: Find the dimensions of a rectangle whose length is 4 times the width and whose area is 100 square centimeters

Answer by CubeyThePenguin(3113)   (Show Source): You can put this solution on YOUR website!
width = w

w(4w) = 100
4w^2= 100
w^2 = 25

Distance has to be positive, so w = 5 cm.

The rectangle is 5 cm wide and 20 cm long.

RELATED QUESTIONS

Find the dimensions of a rectangle whose width is (4x - 3), length is (3x + 2), and the (answered by mananth)
Find the dimensions of a rectangle whose width is 4 miles less than its length, and whose (answered by LisaDrapeau)
1. Find two integers whose product is 14 such that one of the integers is three less than (answered by josgarithmetic)
A rectangle whose length is 3cm more than its width has an area of 40 square centimeters. (answered by checkley77)
What is the perimeter of a rectangle whose area is 24 square centimeters and whose length (answered by oscargut)
Find the dimensions of a rectangle whose perimeter is 36 inches and whose length is three (answered by erica65404)
Find the dimensions of a rectangle whose width is 7 miles less than half its length and... (answered by checkley77)
Find the dimensions of a rectangle whose width is 6 miles less than its length, and whose (answered by mananth)
find the dimensions of a rectangle whose width is 3 miles less than its length and whose... (answered by amarjeeth123)