Answer:
420 seconds
Step-by-step explanation:
60 seconds are in 1 minute
60 x 7 = 420
therefore there are 420 seconds in 7 minutes
4.68/12 = 0.39 per ticket
4.50/10 = 0.45 per ticket.
So, we are better off taking 12 tickets for $4.68
Hope this helps!
I'm assuming ya want us to simplify 
reemember some exponential rules


so




Step-by-step explanation:
x = k/m
hope this helps. good luck!