Problem:
Jackson's paintbrush makes a narrow strip with a width of millimeters. Jackson has enough paint to make a strip meters long. How many square centimeters of paper could Jackson cover with paint?
Answer Choices:
A.
B.
C.
D.
E.
Solution:
Convert both measurements to centimeters. Because 1 millimeter is of a centimeter, the width of the line is . Because a meter is 100 centimeters, the length of the line is . The total area is therefore
Note: This is about 2.7 sheets of letter-sized paper.
The problems on this page are the property of the MAA's American Mathematics Competitions