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By decreasing each dimension by 1 unit, the area of a rect- angle decreased from 40 square feet (on the left) to 28 square feet (on the right). Find the percent of decrease in area. 8 ft 7 ft Area: Area: 5 ft 4 ft 40 sq ft 28 sq ft

By decreasing each dimension by 1 unit, the area of a rect- angle decreased from 40 square feet (on the left) to 28 square feet (on the right). Find the percent of decrease in area. 8 ft 7 ft Area: Area: 5 ft 4 ft 40 sq ft 28 sq ft

Algebra and Trigonometry (6th Edition)
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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By decreasing each dimension by 1 unit, the area of a rect- angle decreased from 40 square feet (on the left) to 28 square feet (on the right). Find the percent of decrease in area. 8 ft 7 ft Area: Area: 5 ft 4 ft 40 sq ft 28 sq ft
Transcribed Image Text:By decreasing each dimension by 1 unit, the area of a rect- angle decreased from 40 square feet (on the left) to 28 square feet (on the right). Find the percent of decrease in area. 8 ft 7 ft Area: Area: 5 ft 4 ft 40 sq ft 28 sq ft
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