A book sold 39,100 copies in its first month of release suppose this represents 7.7% of the number of copies sold to date. How many copies have been so to Round your answer to the nearest whole number

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?