Plz help me I don't understand the answer

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?

How much orange juice do you need to make 2 servings of lemony orange slush?

If you have 12 feet of string and you cut it into equal length of 5 inches each how much string will be left