A computer was regularly priced at $1,500. If you order the computer over the internet, you can save money as the price is only $ 1,200 By what percent does the price decrease if you order the computer over the internet?

The number of potato chips in a bag is normally distributed with a mean of 71 and a standard deviation of 2. approximately what percent of bags contain between 69 and 73 potato chips? approximately 68% approximately 71% approximately 95% approximately 99.7%

Offering 30 if a plus b plus c equals 68 and ab plus bc plus ca equals 1121, where a, b, and c are all prime numbers, find the value of abc. the answer is 1978 but i need an explanation on how to get that.

There were 25 students who answered to a survey about sports. four-fifths of them like football. how many students like football?