Riley has 40 novels so far in his book collection. 9/10 of these novels is fiction. Of these fictional novels, 1/3 of them were written by Micheal Crichton. How many Micheal Crichton novels does Riley have in his book collection?

the number of Micheal Crichton novels that Riley have in his book collection is 12

Step-by-step explanation:

Riley has 40 novels so far in his book collection. 9/10 of these novels is fiction. It means that the number of fictional novels in his collection is

9/10 × 40 = 36

Of these fictional novels, 1/3 of them were written by Micheal Crichton. It means that the number of his fictional novels that was written by Micheal Crichton is

1/3 × 36 = 12

Step-by-step explanation:

The total number of books in the collection  = 40 books

The fraction of fiction novels  = 9 out of 10

So, total fiction novels  =

⇒ Total fiction novels = 36

The fraction of fiction novels written by Micheal Crichton   = 1 out of 3

So, total fiction novels  by  Micheal Crichton   =

⇒ Total fiction novels  by Micheal Crichton = 12

Hence, the total number of fiction novels by Micheal Crichton Riley have in his book collection is  12.

step-by-step explanation:

descending order means to order the polynomials from the term with the largest exponent to the term with the smallest exponent.  

therefore, the correct answer is d.  

to find the total number of combinations, multiply the quantity of each item by each other:

2 pairs of shoes x 3 pairs of shorts = 6 different combinations.