At a local carnival one day, 190 tickets were sold. Adult tickets cost $4 each and children tickets cost $3 each. If the total money collected from selling tickets was $720, how many adult and children's tickets were sold?

One of every 20 customers reports poor customer service on your company’s customer satisfaction survey. you have just created a new process that should cut the number of poor customer service complaints in half. what percentage of customers would you expect to report poor service after this process is implemented? 1.) 5% 2.) 10% 3.) 2% 4.) 2.5%