Your school sold 456 tickets for a high school play. an adult ticket cost $3.50. a student ticket cost $1. total to ket sales equaled $1131. find the number of each type of ticket sold.

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?