3. A waitress earns 15% in gratuity on the total price of her customer's meals. She also earns $5 per hour. If the waitress's customers spend $200 on food and the waitress
works for 4 hours, how much would she earn in total?
a) $30
b) $50
c) $230
d) $250

Someone this asap for a group of students attends a basketball game. * the group buys x hot dogs at the concession stand for $2 each. * the group buys y drinks at the concession stand for $3 each. the group buys 29 items at the concession stand for a total of $70. how many hot dogs did the group buy?