If a concrete mix contains 1-1/2 cubic feet of gravel, 1/2 cubic foot of water, 1 cubic foot of cement, and 2 cubic feet of sand, what percentage of the mix is
sand?

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?