Jada has a meal in a restaurant she adds up the prices listed on the menu for everything they ordered and gets a subtotal of $42.00. when the check comes, it says they also need to pay $3.99 in sales tax. what percentage of the subtotal is the sales tax

  9.5%

Step-by-step explanation:

To find the percentage, we take the tax over the subtotal

percentage = tax/subtotal

                    =3.99/42

                     =.095

Multiply by 100% to change from decimal to percent form

                  9.5%

the final price would be 29.6925

step-by-step explanation:

39.59 minus 25% equals 29.6925