At the beginning of the month, leona's checking account had $2,344.98 in it. since then, she has written checks for $525.00, $33.21, $18.91, $125.00, and $5.13. how much money is in her account now?

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