Answered: 4. Reasoning Dan has 9 red train cars…

4. Reasoning Dan has 9 red train cars and 5 black train cars. How many frain cars does he have in all? Write two addition facts to solve.

Algebra and Trigonometry (MindTap Course List)

4th Edition

ISBN:9781305071742

Author:James Stewart, Lothar Redlin, Saleem Watson

Publisher:James Stewart, Lothar Redlin, Saleem Watson

Chapter14: Counting And Probability

Section14.CT: Chapter Test

Problem 4CT: Over the past year, John has purchased 30 books. a In how many ways can he pick four of these books...

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Please solve it step by step, I know the question how to solve but actually, I don't know what does it means by "write two addition facts to solve" so please solve the question step by step.

Thanks.

4. Reasoning Dan has 9 red train cars
and 5 black train cars. How many frain
cars does he have in all? Write twO
addition facts to solve.

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