Sarah and Juan have a shoe collection.

* The number of shoes in Sarah's collection can be represented by X.

* The number of shoes in Juan's collection is 6 times the number in
Sarah's collection.

* There are a total number of 280 shoes in both collections.
What is the number of shoes in Sarah's collection?

A. 47 shoes
B. 274 shoes
C. 240 shoes
D. 40 shoes