The mean age of 8 women in an office is 19 years old. The mean age of 5 men in an office is 18 years old. What is the mean age (nearest year) of all the people in the office?​

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?