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solve the problem? 900019 Ipnollib 3. An art teacher sets up 3 tables with 3 easels each for a first-grade class. Her second-grade class needs double the number of easels. How many easels does the second-grade class need?

solve the problem? 900019 Ipnollib 3. An art teacher sets up 3 tables with 3 easels each for a first-grade class. Her second-grade class needs double the number of easels. How many easels does the second-grade class need?

Algebra and Trigonometry (6th Edition)
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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How can you use equations with letters for the unknowns solve the problem? 90015014 Ipnoilib 3. An art teacher sets up 3 tables with 3 easels each for a first-grade class. Her second-grade class needs double the number of easels. How many easels does the second-grade class need? 4. Laozi organizes her stamps in an album with 4 pages. Each page has 10 stamps. She then decides to organize all the stamps already in her album on 5 pages. Laozi puts the same number of stamps on each of the 5 pages. How many stamps will she put on each page? 5. Cassandra has 32 rocks in her rock collection. She divides the rocks into 8 equal groups. She gives 7 groups to the museum. She keeps one group for herself. She gives half of her group to her friend. How many rocks does Cassandra have left for herself? 6. A teacher has 10 science projects to grade. Each project has 3 parts. She spends 5 hours grading the projects. She grades the same number of parts each hour. How many parts does she grade in an hour?
Transcribed Image Text:How can you use equations with letters for the unknowns solve the problem? 90015014 Ipnoilib 3. An art teacher sets up 3 tables with 3 easels each for a first-grade class. Her second-grade class needs double the number of easels. How many easels does the second-grade class need? 4. Laozi organizes her stamps in an album with 4 pages. Each page has 10 stamps. She then decides to organize all the stamps already in her album on 5 pages. Laozi puts the same number of stamps on each of the 5 pages. How many stamps will she put on each page? 5. Cassandra has 32 rocks in her rock collection. She divides the rocks into 8 equal groups. She gives 7 groups to the museum. She keeps one group for herself. She gives half of her group to her friend. How many rocks does Cassandra have left for herself? 6. A teacher has 10 science projects to grade. Each project has 3 parts. She spends 5 hours grading the projects. She grades the same number of parts each hour. How many parts does she grade in an hour?
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