By decreasing the length of the side by one unit, the area of a square decreased from 100 square meters to 81 square meters. Find the percent of decrease in area. 10 m 9m Area: Area: 100 sq m 81 sq m

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Question
By decreasing the length of the side by one unit, the area
of a square decreased from 100 square meters to 81 square
meters. Find the percent of decrease in area.
10 m
9m
Area:
Area:
100 sq m
81 sq m
Transcribed Image Text:By decreasing the length of the side by one unit, the area of a square decreased from 100 square meters to 81 square meters. Find the percent of decrease in area. 10 m 9m Area: Area: 100 sq m 81 sq m
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