Could someone answer these questions with simple yet explanatory answers?

What could explain what happened when the time was equal to 120 minutes

You are on a cycling trip around europe with friends. you check the weather forecast for the first week. these are the temperatures for the week. sun mon tues wed thurs fri sat 16°c 20°c 24°c 28°c 28°c 23°c 15°c what is the mean temperature forecast for the week?

Afamily went out to dinner and their bill was $113.if they want to leave a 19% tip, how much should they leave.