A rectangular cornfield has a length of 7 kilometers and an area of 63 square kilometers. a. What is the width of the cornfield? _______b. What will be the area if the length and width are doubled

Answer 1

63/7 = 9 kilometers

14x18 = 252 km^2 = area if sides are doubled.

double the sides, the area is quadrupled 63x4 = 252