SOLUTION: A student has room for six books on a shelf near his study area. The books are a dictionary and textbooks of chemistry, english, history, mathematics, and philosophy. In how many w

Question 1176322: A student has room for six books on a shelf near his study area. The books are a dictionary and textbooks of chemistry, english, history, mathematics, and philosophy. In how many ways can they be arranged if the math and philosophy books are to fit together?
Answer by ewatrrr(24785) (Show Source): You can put this solution on YOUR website!


Hi
Consider the math and philosophy books as one unit.  
As one unit they can be arranged 2 ways:

 How many ways to arrange the 6 books: (2)5! = 240 ways  
Or
 2*P(5,5) = 240
Wish You the Best in your Studies.

RELATED QUESTIONS
How many ways can six different books be arranged on a shelf if one of the books is a... (answered by fractalier)

How many ways can six different books be arranged on a shelf if one of the books is a... (answered by sudhanshu_kmr)

how many ways can six different books be arranged on a shelf if one of the books is a... (answered by stanbon)

Mr. Jones has 10 books that he is going to put on his bookshelf. Of these, 4 are... (answered by jrfrunner)

A book store has received 8 different books, of which 3/8 are novels, 25% are study... (answered by Boreal)

Three Mathematics books, five English books, four Science books and a dictionary are to... (answered by Edwin McCravy)

Four different mathematics books, six different physics books, and two different... (answered by Edwin McCravy)

There are 8 Physics books, 4 calculus books, 7 us history textbooks, and 3 resource books (answered by stanbon)

a student has 2 small books, five medium sized books, and three large ones. If all the... (answered by checkley77)