Set up and solve equations for the following business situations.
An online store sells two types of speaker docks for smartphones. The higher-priced speaker dock sells for $190 and the lower-priced speaker dock sells for $80. Last week the store sold three times as many lower-priced speaker docks as higher-priced speaker docks. Combined sales totaled $3,440. How many of each did it sell?
Calculus: An Applied Approach (MindTap Course List)
Essentials of Statistics for The Behavioral Sciences (MindTap Course List)
Elementary Geometry For College Students, 7e
Calculus: Early Transcendental Functions
Calculus (MindTap Course List)
Understanding Basic Statistics
Multivariable Calculus
Precalculus: Mathematics for Calculus (Standalone Book)
Finite Mathematics
Mathematical Applications for the Management, Life, and Social Sciences
Applied Calculus for the Managerial, Life, and Social Sciences: A Brief Approach
Single Variable Calculus: Early Transcendentals, Volume I
Applied Calculus
Statistics for The Behavioral Sciences (MindTap Course List)
Essentials Of Statistics
Intermediate Algebra
Mathematical Excursions (MindTap Course List)
Elementary Technical Mathematics
Calculus: Early Transcendentals
Finite Mathematics and Applied Calculus (MindTap Course List)
Single Variable Calculus
Probability and Statistics for Engineering and the Sciences
Elements Of Modern Algebra
Trigonometry (MindTap Course List)
Calculus: Early Transcendental Functions (MindTap Course List)
Single Variable Calculus: Early Transcendentals
Calculus of a Single Variable
Study Guide for Stewart's Single Variable Calculus: Early Transcendentals, 8th
Elementary Geometry for College Students
Study Guide for Stewart's Multivariable Calculus, 8th
Finite Mathematics for the Managerial, Life, and Social Sciences
Multivariable Calculus
College Algebra (MindTap Course List)
Introduction To Statistics And Data Analysis
STATISTICS F/BUSINESS+ECONOMICS-TEXT
Research Methods for the Behavioral Sciences (MindTap Course List)
Statistics for Business & Economics, Revised (MindTap Course List)
Research Methods for the Behavioral Sciences (MindTap Course List)
Calculus (MindTap Course List)
Mathematics For Machine Technology
Essentials Of Statistics For Business & Economics
A First Course in Differential Equations with Modeling Applications (MindTap Course List)
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
Discrete Mathematics With Applications
Modern Business Statistics with Microsoft Office Excel (with XLSTAT Education Edition Printed Access Card) (MindTap Course List)
Mathematics: A Practical Odyssey
Introductory Statistics
Calculus Volume 2
Calculus Volume 1