Answer:
5%
Step-by-step explanation:
A tax is a compulsory sum levied by the government or an agency of the government on goods and services. Taxes raises the price of products
Tax rate is the percentage a person pays as tax
tax rate = [tex]\frac{tax paid}{cost of the dinner}[/tex] × 100
[tex]\frac{7.89}{157.75}[/tex] × 100 = 5%
She paid a tax rate of 5% on the dinner
