In 3,000 repetitions of an experiment, a random event occurred in 500 cases. the expected probability of this event is?

Seymour is twice as old as cassandra. if 16 is added to cassandra’s age and 16 is subtracted from seymour’s age, their ages become equal. what are their present ages? show !

Timmy uses 1 1 2 cups of sugar for every 2 gallons of lemonade he makes. how many cups of sugar would timmy use if he makes 13 gallons of lemonade?

Sections of prefabricated woods are each 5 1/3 feet long, how long are 7 1/2 sections placed end to end?