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20. Moving You helped a friend move a short distance recently truck for $15 an hour and rented a dolly for $5. Your friend rental. For how long did your friend rent the truck?

20. Moving You helped a friend move a short distance recently truck for $15 an hour and rented a dolly for $5. Your friend rental. For how long did your friend rent the truck?

Elementary Algebra
Elementary Algebra
17th Edition
ISBN:9780998625713
Author:Lynn Marecek, MaryAnne Anthony-Smith
Publisher:Lynn Marecek, MaryAnne Anthony-Smith
Chapter3: Math Models
Section3.5: Solve Uniform Motion Applications
Problem 305E: John left his house in Irvine at 8:35 am to drive to a meeting in Los Angeles, 45 miles away. He...
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Number 20 please
14 in. Vacation You are driving to a vacation spot that is 1500 miles away. Including rest stops, it takes you 42 hours to get to the vacation spot. You estimate that you drove at an average speed of 50 miles per hour. How many hours were you not driving? 19. 20. Moving You helped a friend move a short distance recently. The friend rented a truck for $15 an hour and rented a dolly for $5. Your friend paid a total of $80 for the rental. For how long did your friend rent the truck? 21. Painting You and your friend are painting the walls in your apartment. You estimate that there is 1000 square feet of space to be painted. You paint at a rate of 4 square feet per minute and your friend paints at a rate of 3 square feet per minute. Your friend shows up to help you paint 45 minutes after you have already started painting. a. Write an equation that gives the total number of square feet y as a function of the number of minutes x it takes to paint all of the walls.
Transcribed Image Text:14 in. Vacation You are driving to a vacation spot that is 1500 miles away. Including rest stops, it takes you 42 hours to get to the vacation spot. You estimate that you drove at an average speed of 50 miles per hour. How many hours were you not driving? 19. 20. Moving You helped a friend move a short distance recently. The friend rented a truck for $15 an hour and rented a dolly for $5. Your friend paid a total of $80 for the rental. For how long did your friend rent the truck? 21. Painting You and your friend are painting the walls in your apartment. You estimate that there is 1000 square feet of space to be painted. You paint at a rate of 4 square feet per minute and your friend paints at a rate of 3 square feet per minute. Your friend shows up to help you paint 45 minutes after you have already started painting. a. Write an equation that gives the total number of square feet y as a function of the number of minutes x it takes to paint all of the walls.
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