Question

The sales tax is 4%. the cost of lunch is $6.50. what is the amount of the sales tax?

Answer 1

Sales tax is a percentage of the cost added on. Take 6.50$ and multiply it by 4 %. Then you need to add the product to the original cost to get the final answer. You should end up with 6.76$. 

Answer 2

4% of 6.50 = 0.26.
So the sales tax is $0.26. Hope it helps!