Do I use 10 or 16?

Question

Bonnie’s boutique had a T-Shirt sale to make room for new inventory. t the end of the sale, 16 T-Shirts were left. Of these, 6 were blue. Write a ratio of blue T-Shirts to total T-Shirts left as a fraction in simplest form.

Answer 1

blue / total left

6 / 10

Now simplify.