Mary has 10$ in savings she owes her parents 50$ she also gets 25$ for her birthday from her grandmother. dose mary have enough money to pay her parents what she owes them how much money does she need

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?