On a bicycle you can travel 20 miles in 4 hours. What is the unit rate in this situation? * 100 miles per hour 80 miles per hour 5 miles per hour O 24 miles per hour​

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?