The percentage of any number is calculated by comparing the values with 100. Thus, the tax on the watch is $2.6.
The cost of the watch is $40.
The sale tax applicable for purchasing the watch is 6.5%.
We need to determine the tax value.
For calculating the tax, the tax percentage on the cost of the watch can be calculated.
Thus,
[tex]\begin{aligned}\rm{Tax\;value}&=6.5 \% \;\rm{of}\;40 \\&=\dfrac{6.5}{100} \times 40\\&=2.6 \end{aligned}[/tex]
Thus, the tax on the watch is $2.6.
To know more about the percentage, please refer to the link:
https://brainly.com/question/4410758
