About 36100 of the 5th grade students will be going to the z

About 36/100 of the 5th grade students will be going to the zoo. What decimal represents the portion of the class that will NOT be going to the zoo?

Solution

36/100 means 36 students from total of 100 are going to zoo

so to find how many are not going we subtract 36 from 100

so answer will be (100-36)/100=64/100=0.64

so decimal representation is 0.64