I am having a bit of a struggle, can anyone please help with the blank questions?

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%

Jimmy can run 3.5 miles in 20 minutes. how far can ne run in one hour and ten minutes?

Suppose a deep sea driver dives from the surface to 248 feet below the surface. he then dives down 10 more feet. use integers yo represent this situation. then find the driver' s present depth