A bartender received these tips in a given week: Monday $22.73, Tuesday $31.61, Wednesday $43.52, Thursday $55.20, Friday $67.89. How much were his total tips?

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