ruler not telling the truth, area of rectangle
Source: VIII May Olympiad (Olimpiada de Mayo) 2002 L1 P3
September 22, 2022
geometryalgebrarectangle
Problem Statement
Mustafa bought a big rug. The seller measured the rug with a ruler that was supposed to measure one meter. As it turned out to be meters long by meters wide, he charged Rs Rs. When Mustafa arrived home, he measured the rug again and realized that the seller had overcharged him by Rs. How many centimeters long is the ruler used by the seller?