1.3.4 Writing an Equation to Represent a Relationship
1.3.4 • Writing an Equation to Represent a Relationship
Cool Down
Clare volunteers at a local library during the summer. Her work includes putting labels on 750 books.
1.
How many minutes will she need to finish labeling all books if she takes no breaks and labels 10 books a minute?
75
2.
How many minutes will she need to finish labeling all books if she takes no breaks and labels 15 books a minute?
50
3.
Suppose Clare labels the books at a constant speed of books per minute. Write an equation that represents the relationship between her labeling speed and the number of minutes it would take her to finish labeling.
Compare your answer:
or , where is the number of minutes and is the speed in books per minute.