Atotal of 308 tickets were sold for the school play. they were either adult tickets or student tickets. the number of student tickets sold was three times the number of adult tickets sold. how many adult tickets were sold?

Twenty-five percent of the customers entering a grocery store between 5 p. m. and 7 p. m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.

You are at a restaurant and owe $38 for your meal. you want to leave a 20% tip. how much will your tip be?

Aiko jumped rope for 20 min and stopped at 8: 05 when did she start