The least number of classes needed for all the students to be registered in a class is 21 classes.
Divide each side by 2 1/4 to get x by itself. The answer is -24 < x and the sign didn't change because we didn't divide by a negative.
Answer:
x>2
Step-by-step explanation:
Longer than two hours is >.
Answer:
10 and 5
Step-by-step explanation: