John needs to make a scale drawing of his school building for art class. if the building is 256.25 meters long, and john scales it down using a ratio of 25 meters to 1 inch, how long will the building be in the sketch? 12.62 inches

The distribution of the amount of money spent by students for textbooks in a semester is approximately normal in shape with a mean of $235 and a standard deviation of $20. according to the standard deviation rule, how much did almost all (99.7%) of the students spend on textbooks in a semester?