How do i write 325 centimeters to 12 meters as a ratio reduced to lowest terms

Mr. johansen is cutting construction paper for an art project. he has 24 students, and six pieces of construction paper. how much paper will each student receive?

In a box lenght 1m breadth 60 cm and height 40 cm small rectangular packets of dimension 5 cm into 8 cm into 10 cm are packed. how many such small packets can be packed in the big box?

What is the average rate of change for this function for the interval from x=2 to x=4 ?