Web conferencing is an internet technology that allows people in remote locations collaborate in a virtual conference room by making presentations and sharing visual aids.
Let me know if you have any questions.
a = int(input("Class A tickets sold: "))
b = int(input("Class B tickets sold: "))
c = int(input("Class C tickets sold: "))
print("Total income generated: $"+str((a*20)+(b*15)+(c*10)))
I hope this helps!
```
#!/usr/local/bin/python3
import sys
coins = { "quarters" : 25, "dimes" : 10, "nickels" : 5, "pennies" : 1 }
def mkChange( balance, coin ):
qty = balance // coins[ coin ]
if( qty ):
print( str( qty ) + ' ' + coin )
return( balance % coins[ coin ] )
if( __name__ == "__main__" ):
if( len( sys.argv ) == 2 ):
balance = int( sys.argv[ 1 ] )
balance = mkChange( balance, "quarters" )
balance = mkChange( balance, "dimes" )
balance = mkChange( balance, "nickels" )
balance = mkChange( balance, "pennies" )
else:
sys.stderr.write( "\nusage: " + sys.argv[ 0 ] + " <change owed>\n" )
```
