There are x students in Ms, Smith's class and 3/4 of them like pizza. If 21 of the students like pizza, which equation can be used to find the number of students in
the class?

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?