Learning Materials
Features
Discover
Chapter 3: Q.74 (page 113)
Stamps Paula bought $22.82 worth of 49-cent
stamps and 21-cent stamps. The number of 21-cent
stamps was eight less than the number of
49-cent stamps. Solve the equation
0.49s + 0.21(s 鈭� 8) = 22.82 for s, to find the number
of 49-cent stamps Paula bought.
The number of 49-cent stamps are 35.
Over 30 million students worldwide already upgrade their learning with 91影视!
All the tools & learning materials you need for study success - in one app.
Get started for free
Using your own words, list the steps in the general
strategy for solving linear equations.
For Exercises 39-41, use the following information.
Adam and his family are planning to rent a midsize car for one-day trip. In the Standard Rental Plan, they can rent a car for \(52 per day plus 23 cents per mile. In the Deluxe Rental Plan, they can rent a car for \)80 per day with unlimited mileage.
39. For each plan, write an equation that represents the cost of renting a car.
Simplify each expression.
What is the first step you take when solving the
equation 3 鈭� 7(y 鈭� 4) = 38? Why is this your first
step?
What do you think about this solution?
We value your feedback to improve our textbook solutions.
Explanations 
Textbooks 
Flashcards 
91影视 AI 
Notes 
Study Plans 
Study Sets 
Find a degree 
Magazine