Problema Solution
The area of a rectangle is 21 square meters. Find the length and width of the rectangle if its length is 4 meters greater than its width. Use an equation and the formula for the Area of a rectangle = (width)(length).
Answer provided by our tutors
let length be l and w be width....
atts: l*w=21
and l= w+4
solving both we get
w= 3,-7
reject -7
l= 7