(a). Answer Discount rate r is given by, r = 1 − S L Explanation Given information : The sale price S of an item is given by equation S = L − r L S = L ( 1 − r ) S L = 1 − r r = 1 − S L Discount rate r is given by, r = 1 − S L (b). To determine To Find: The value of discount rate r for the price of shirt $ 30 Answer The value of discount rate r is 40 % . Explanation Given information : The sale price S of an item is given by equation S = L − r L Calculation : Plugin the value of L = $30 and S = $18 in the above equation, r = 1 − 18 30 r = 1 − 0.6 r = 0.4 r = 40 % The value of discount rate r is 40 %

BIG IDEAS MATH Algebra 1: Common Core Student Edition 2015

1st Edition

ISBN: 9781608408382

Author: HOUGHTON MIFFLIN HARCOURT

Publisher: Houghton Mifflin Harcourt

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Question

Chapter 1.5, Problem 33E

(a).

To determine

To Find: Formula for r which is the discount rate.

(a).

Expert Solution

Answer to Problem 33E

Discount rate r is given by, r=1−SL

Explanation of Solution

Given information: The sale price S of an item is given by equation

S=L−rLS=L(1−r)SL=1−rr=1−SL

Discount rate r is given by, r=1−SL

(b).

To determine

To Find: The value of discount rate r for the price of shirt $30

(b).

Expert Solution

Answer to Problem 33E

The value of discount rate r is 40% .

Explanation of Solution

Given information: The sale price S of an item is given by equation

S=L−rL

Calculation:

Plugin the value of L = $30 and S = $18 in the above equation,

r=1−1830r=1−0.6r=0.4r=40%

The value of discount rate r is 40%

Chapter 1.5, Problem 32E

Chapter 1.5, Problem 34E

Chapter 1 Solutions

BIG IDEAS MATH Algebra 1: Common Core Student Edition 2015

Ch. 1.1 - Prob. 1E Ch. 1.1 - Prob. 2E Ch. 1.1 - Prob. 3E Ch. 1.1 - Prob. 4E Ch. 1.1 - Prob. 5E Ch. 1.1 - Prob. 6E Ch. 1.1 - Prob. 7E Ch. 1.1 - Prob. 8E Ch. 1.1 - Prob. 9E Ch. 1.1 - Prob. 10E

Ch. 1.1 - Prob. 11E Ch. 1.1 - Prob. 12E Ch. 1.1 - Prob. 13E Ch. 1.1 - Prob. 14E Ch. 1.1 - Prob. 15E Ch. 1.1 - Prob. 16E Ch. 1.1 - Prob. 17E Ch. 1.1 - Prob. 18E Ch. 1.1 - Prob. 19E Ch. 1.1 - Prob. 20E Ch. 1.1 - Prob. 21E Ch. 1.1 - Prob. 22E Ch. 1.1 - Prob. 23E Ch. 1.1 - Prob. 24E Ch. 1.1 - Prob. 25E Ch. 1.1 - Prob. 26E Ch. 1.1 - Prob. 27E Ch. 1.1 - Prob. 28E Ch. 1.1 - Prob. 29E Ch. 1.1 - Prob. 30E Ch. 1.1 - Prob. 31E Ch. 1.1 - Prob. 32E Ch. 1.1 - Prob. 33E Ch. 1.1 - Prob. 34E Ch. 1.1 - Prob. 35E Ch. 1.1 - Prob. 36E Ch. 1.1 - Prob. 37E Ch. 1.1 - Prob. 38E Ch. 1.1 - Prob. 39E Ch. 1.1 - Prob. 40E Ch. 1.1 - Prob. 41E Ch. 1.1 - Prob. 42E Ch. 1.1 - Prob. 43E Ch. 1.1 - Prob. 44E Ch. 1.1 - Prob. 45E Ch. 1.1 - Prob. 46E Ch. 1.1 - Prob. 47E Ch. 1.1 - Prob. 48E Ch. 1.1 - Prob. 49E Ch. 1.1 - Prob. 50E Ch. 1.1 - Prob. 51E Ch. 1.1 - Prob. 52E Ch. 1.1 - Prob. 53E Ch. 1.1 - Prob. 54E Ch. 1.1 - Prob. 55E Ch. 1.1 - Prob. 56E Ch. 1.1 - Prob. 57E Ch. 1.1 - Prob. 58E Ch. 1.1 - Prob. 59E Ch. 1.1 - Prob. 60E Ch. 1.1 - 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Prob. 33E Ch. 1.3 - Prob. 34E Ch. 1.3 - Prob. 35E Ch. 1.3 - Prob. 36E Ch. 1.3 - Prob. 37E Ch. 1.3 - Prob. 38E Ch. 1.3 - Prob. 39E Ch. 1.3 - Prob. 40E Ch. 1.3 - Prob. 41E Ch. 1.3 - Prob. 42E Ch. 1.3 - Prob. 43E Ch. 1.3 - Prob. 44E Ch. 1.3 - Prob. 1Q Ch. 1.3 - Prob. 2Q Ch. 1.3 - Prob. 3Q Ch. 1.3 - Prob. 4Q Ch. 1.3 - Prob. 5Q Ch. 1.3 - Prob. 6Q Ch. 1.3 - Prob. 7Q Ch. 1.3 - Prob. 8Q Ch. 1.3 - Prob. 9Q Ch. 1.3 - Prob. 10Q Ch. 1.3 - Prob. 11Q Ch. 1.3 - Prob. 12Q Ch. 1.3 - Prob. 13Q Ch. 1.3 - Prob. 14Q Ch. 1.3 - Prob. 15Q Ch. 1.3 - Prob. 16Q Ch. 1.3 - Prob. 17Q Ch. 1.3 - Prob. 18Q Ch. 1.3 - Prob. 19Q Ch. 1.4 - Prob. 1E Ch. 1.4 - Prob. 2E Ch. 1.4 - Prob. 3E Ch. 1.4 - Prob. 4E Ch. 1.4 - Prob. 5E Ch. 1.4 - Prob. 6E Ch. 1.4 - Prob. 7E Ch. 1.4 - Prob. 8E Ch. 1.4 - Prob. 9E Ch. 1.4 - Prob. 10E Ch. 1.4 - Prob. 11E Ch. 1.4 - Prob. 12E Ch. 1.4 - Prob. 13E Ch. 1.4 - Prob. 14E Ch. 1.4 - Prob. 15E Ch. 1.4 - Prob. 16E Ch. 1.4 - Prob. 17E Ch. 1.4 - Prob. 18E Ch. 1.4 - Prob. 19E Ch. 1.4 - Prob. 20E Ch. 1.4 - 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