What is the answer? Kinda lost here.

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

If m 17 27 90 63 ** picture is attached

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?