6. A boy notices a group of birds on the ground and a second group in a tree. He also notices that if one bird flies from the tree to the ground, the number of birds in each group will be equal. But if one bird flies from the ground to the tree, then the group in the tree will have twice as many birds as the group on the ground. How many birds are there in each group.

6. A boy notices a group of birds on the ground and a second group in a tree. He also notices that if one bird flies from the tree to the ground, the number of birds in each group will be equal. But if one bird flies from the ground to the tree, then the group in the tree will have twice as many birds as the group on the ground. How many birds are there in each group.

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter9: Sequences, Probability And Counting Theory

Section9.5: Counting Principles

Problem 36SE: The number of 5-element subsets from a set containing n elements is equal to the number of 6-element...

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