Water features at sapphire island are periodically treated with a chemical that prevents algae growth. the direction for the chemical say to add 16 fluid ounces per 1 gallons of water. make a table that shows how much of the chemical to add for water features that hold 1, 2, 3, 4, 5 gallons of water ( my only problem is how can i compute it)

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%