18. PRACTICE Sandra was hired as a part-time office assistant. The amount of money she earns in a week is proportional to the number of hours she works during the week. She earned $167 for working 20 hours during her first week on the job. During the second week she worked 35 hours and earned $292.25. a. Identify the constant of proportionality in this situation. 167 =8.35 292.25 35 8.35 20 b. Sandra worked for 28 hours during the third week. How much money did she earn? $233.00 c. Create a graph showing how much Sandra will earn for working 5, 10, 15, 20, and 25 hours a week.
18. PRACTICE Sandra was hired as a part-time office assistant. The amount of money she earns in a week is proportional to the number of hours she works during the week. She earned $167 for working 20 hours during her first week on the job. During the second week she worked 35 hours and earned $292.25. a. Identify the constant of proportionality in this situation. 167 =8.35 292.25 35 8.35 20 b. Sandra worked for 28 hours during the third week. How much money did she earn? $233.00 c. Create a graph showing how much Sandra will earn for working 5, 10, 15, 20, and 25 hours a week.
Chapter3: Polynomial Functions
Section3.5: Mathematical Modeling And Variation
Problem 6ECP: The resistance of a copper wire carrying an electrical current is directly proportional to its...
Related questions
Question
Transcribed Image Text:Date
Page 8 of 1
oportional to the
ozen
uation in two
ables.
Student:
Rate of change
Lesson 4: Direct variation
a. Identify the constant of proportionality in this situation.
#167
=8.35
292.25=8.35
18. PRACTICE Sandra was hired as a part-time office assistant. The amount of money she
earns in a week is proportional to the number of hours she works during the week. She
earned $167 for working 20 hours during her first week on the job. During the second
week she worked 35 hours and earned $292.25.
604
35
b. Sandra worked for 28 hours during the third week. How much money did she earn?
$233.00
Sool
400
Class:
3.00
701
c. Create a graph showing how much Sandra will earn for working 5, 10, 15, 20, and 25
hours a week.
200
100
10
Date
20 30 40 50 60
Copyright Agile Mind, Inc. ® Content copyright Ch
Page 9 of 12
gta
70 80
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps with 1 images
Recommended textbooks for you
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
Functions and Change: A Modeling Approach to Coll…
Algebra
ISBN:
9781337111348
Author:
Bruce Crauder, Benny Evans, Alan Noell
Publisher:
Cengage Learning
Algebra: Structure And Method, Book 1
Algebra
ISBN:
9780395977224
Author:
Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:
McDougal Littell
Functions and Change: A Modeling Approach to Coll…
Algebra
ISBN:
9781337111348
Author:
Bruce Crauder, Benny Evans, Alan Noell
Publisher:
Cengage Learning
College Algebra (MindTap Course List)
Algebra
ISBN:
9781305652231
Author:
R. David Gustafson, Jeff Hughes
Publisher:
Cengage Learning
Holt Mcdougal Larson Pre-algebra: Student Edition…
Algebra
ISBN:
9780547587776
Author:
HOLT MCDOUGAL
Publisher:
HOLT MCDOUGAL
Mathematics For Machine Technology
Advanced Math
ISBN:
9781337798310
Author:
Peterson, John.
Publisher:
Cengage Learning,