Answer:
12.90 dollars
Explanation:
Given:
Amount Samuel spent = 12.50$
Tax rate = 3.2%
Solution:
We can calculate total cost as price of base ball + tax at 3.2% of the price
Tax =

Price of baseball = 12.50
Tax 3.2% = 0.40
Total cost = 12.90
Total cost is 12.90 dollars