Answer :

We know that Julia has 8 red barrettes, which are 2/4 of all her barrettes. We also know that 2/4 is as much as 1/2. So to find out how many barrettes does Julia have altogether, we just need to multiply 8 by 2:

8 * 2 = 16

Answer: Julia has 16 barrettes altogether.

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