Marisa and Mario were visiting the carnival when they noticed a few number relationships. They made them into brainteasers for you.

1. If three-tenths of the visitors were adults and there were $100$ visitors, how many visitors were adults?

   Hint (a):

   

   Help (a):

   If the shaded circles represent the fraction of adults, how many adults were present at the carnival?

   More Help (a):

   Each circle is representative of $10$ visitors.

   Answer (a):

   There were $30$ adults at the carnival.

2. Five-eighths of the prizes at the Giant Spin were dolls. If there were $64$ prizes, how many prizes were not dolls?

   Hint (b):

   

   Help (b):

   If the shaded boxes represent the fraction of prizes that were dolls, what fraction of the prizes were not dolls?

   More Help (b):

   If there were $64$ total prizes, how many prizes does each square represent?