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Kelley and Stuart each have a sweet tooth and bought candy at the same store. Kelley spent $2.65 for 15 Sour Keys and 2 Mars bars. Stuart bought 3 Mars bars and 10 Sour Keys for $3.35. What was the cost of a Mars bar? (Hint: The equation for Kelley's purchases is: 15S + 2M = 2.65

Kelley and Stuart each have a sweet tooth and bought candy at the same store. Kelley spent $2.65 for 15 Sour Keys and 2 Mars bars. Stuart bought 3 Mars bars and 10 Sour Keys for $3.35. What was the cost of a Mars bar? (Hint: The equation for Kelley's purchases is: 15S + 2M = 2.65

Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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19 of 22 Kelley and Stuart each have a sweet tooth and bought candy at the same store. Kelley spent $2.65 for 15 Sour Keys and 2 Mars bars. Stuart bought 3 Mars bars and 10 Sour Keys for $3.35. What was the cost of a Mars bar? (Hint: The equation for Kelley's purchases is: 15S + 2M = 2.65 First determine the equation for Stuart's purchases, and then solve the system of equations using matrices.) O $0.90 for a Mars bar O $0.95 for a Mars bar O $1.05 for a Mars bar O $1.25 for a Mars bar
Transcribed Image Text:19 of 22 Kelley and Stuart each have a sweet tooth and bought candy at the same store. Kelley spent $2.65 for 15 Sour Keys and 2 Mars bars. Stuart bought 3 Mars bars and 10 Sour Keys for $3.35. What was the cost of a Mars bar? (Hint: The equation for Kelley's purchases is: 15S + 2M = 2.65 First determine the equation for Stuart's purchases, and then solve the system of equations using matrices.) O $0.90 for a Mars bar O $0.95 for a Mars bar O $1.05 for a Mars bar O $1.25 for a Mars bar
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