Search results for "The area of a rectangle is 198 square yards. The length of the rectangle is 18 yards. What is the width, in yards, of the rectangle?"
We know that formula for area of rectangle is A=a*b where a and b are sides of rectangle. So we can substitute our data to this formula 198=18*b (there is no difference which side we take as a or b) Now we can just solve simply equation 198=18*b /:18 both sides 198:18=b b=11 - its the result