Manny used 8th tenth-size parts to model 8/10. Ana used fewer parts to model and equivalent fraction. How does the size of a part in Anas model compare to the size of a tenth size part? EXPLAIN WHOEVER AWNSERS CORRECT FOR THEM BUT U HAVE TO EXPLAIN

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?