3.5 hours is 3 hours and 30 minutes.
1:15 is 1 hour and 15 minutes.
The question is asking at what time does she want to start and end up at 1 hour and 15 minutes? SO you add the time it takes for her to make the dessert with the time at which she ends.
TLTR?? 4:45
Answer: Domain is open
Step-by-step explanation: the question is incomplete. See the complete question in the attached file and the solution.
Thanks
Answer:
1) P(tacos)= 10/30= 1/3
2) P(Pizzas)=18/30 =3/5
3) P(T AND P)= 5/30= 1/6
4) P(T OR P)= P(T) +P(P) - P(T AND P)
= 10/30 +18/30 -5/30
= 23/30