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)
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,...
icon
Related questions
Question
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
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Recommended textbooks for you
Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
Algebra
ISBN:
9780134463216
Author:
Robert F. Blitzer
Publisher:
PEARSON
Contemporary Abstract Algebra
Contemporary Abstract Algebra
Algebra
ISBN:
9781305657960
Author:
Joseph Gallian
Publisher:
Cengage Learning
Linear Algebra: A Modern Introduction
Linear Algebra: A Modern Introduction
Algebra
ISBN:
9781285463247
Author:
David Poole
Publisher:
Cengage Learning
Algebra And Trigonometry (11th Edition)
Algebra And Trigonometry (11th Edition)
Algebra
ISBN:
9780135163078
Author:
Michael Sullivan
Publisher:
PEARSON
Introduction to Linear Algebra, Fifth Edition
Introduction to Linear Algebra, Fifth Edition
Algebra
ISBN:
9780980232776
Author:
Gilbert Strang
Publisher:
Wellesley-Cambridge Press
College Algebra (Collegiate Math)
College Algebra (Collegiate Math)
Algebra
ISBN:
9780077836344
Author:
Julie Miller, Donna Gerken
Publisher:
McGraw-Hill Education