All you have to do is 144/12=12 so therefore there are 12 packages of cookies they had to bake for a fundraiser.
Answer:
Yes it can be simplified.
Answer: 
<u>Step-by-step explanation:</u>
There is 1 four out of 6 possible numbers = 
1 hour and 35 minutes without the break. 60 minutes in an hour, subtract 15 from 50 = 35 minutes. It starts at 3 and ends at 4, which is 1 hour apart. Because there us a break you subtract 30 from the minutes , 35-30=5. So you have 1 hour and 5 minutes.