A class is raising funds for a field trip. The candy sale brought in $127 the first week and $178 the second week. The class would like to raise $500. Write and solve an inequality to describe how much money the class needs to bring in the next week to exceed their goal .

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?