Sorting file

Shell Programming and Scripting
1

I have the file as follow:

A: 60
B: 80
C: 40
D: 11
E: 100

I want to sort the file and get the output to file as follow:

E: 100
B: 80
A: 60
C: 40
D: 11

Could any one help me please?

2 
# sort -nr -k2 -t":" file

check out the man page for what it does