Given condition is- The bag contains individual pieces of Skittles, M&Ms, Life Savers and Sour Patch Kids.
Let the total number of candies in the bag be = x
Then, Skittles are

Candies left =
=

M&Ms are =

Now remaining candies are=

Now Life savers are =
Now adding all these 3 candies

=

Now the remaining candies sour patch will be =

Hence, sour patch kids are
