Tamara's gymnastics scores were 1.5, 2.5, 1.3, and 3.5. In order to calculate her total score, you pick the two top scores and add them. What is her total score?

To calculate Tamara's total score, we first need to identify the two top scores.

The scores are: 1.5, 2.5, 1.3, and 3.5.

Sorting the scores in descending order,
3.5, 2.5, 1.5, 1.3.

The two top scores are 3.5 and 2.5.

Adding these two scores: 3.5 + 2.5 = 6.

Therefore, Tamara's total score is 6.