The names of the 30 students is miss Martinez's fifth grade class are listed in the chart below. Miss Martinez noticed that 2/5 of the students have clocks.
How many of Miss Martinez's students do not have clocks?
![The names of the 30 students is miss Martinezs fifth grade class are listed in the chart below Miss Martinez noticed that 25 of the students have clocks How man class=](https://us-static.z-dn.net/files/da3/ae1a27371431b3ab6ba98fb8ed72faae.png)