Answer
137.385
Step-by-step explanation:
What is 6.5% of 129?
First, you have to change 6.5% to a decimal which is 0.065.
Then, you have to multiply 0.065 times 129 which gives you 8.385.
Finally, you have to add that amount to 129 which gives you $137.385, and that is the total cost of the prom dress