A photographer wishes to arrange 7 children consisting of 3 boys and 4 girls in a straight line for a phot taking session. Find the number of ways that he can arrange if (a) all girls are separated, (b) 3 boys occupy the 3 middle positions

A photographer wishes to arrange 7 children consisting of 3 boys and 4 girls in a straight line for a phot taking session. Find the number of ways that he can arrange if (a) all girls are separated, (b) 3 boys occupy the 3 middle positions

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter8: Sequences, Series,and Probability

Section: Chapter Questions

Problem 40CT: There are 10 applicants for three sales positions at a department store. All of the applicants are...

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A photographer wishes to arrange 7 children consisting of 3 boys and 4 girls in a straight
line for a phot taking session. Find the number of ways that he can arrange if
(a) all girls are separated,
(b) 3 boys occupy the 3 middle positions.

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