21) There are some marble balls. If we pick 2 marbles continually at one time, we will have 1left. If we pick 3 marbles continually at one time, we have 1 left. If we pick 4 marblescontinually at one time, we also have 1 left. How many marbles do we have?Answer: 13

Given information:A collection of marbles presented with the property that if pick 2 at a time, one…

Answered: There are some marble balls. If we pick…

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter9: Sequences, Probability And Counting Theory

Section9.5: Counting Principles

Problem 40SE: A family consisting of 2 parents and 3 children is to pose for a picture with 2 family members in...

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There are some marble balls. If we pick 2 marbles continually at one time, we will have 1 left. If we pick 3 marbles continually at one time, we have 1 left. If we pick 4 marbles continually at one time, we also have 1 left. How many marbles do we have?