The distance traveled by a car moving at a constant speed varies directly with the length of time it travels. if the car travels 172 miles in 4 hours, how many miles will it travel in 10 hours?

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?