All of the following could be measurements on a scale drawing that has a scale of 1:4 except Three centimeters represent 12 meters.
One foot represents 4 feet.
Five inches represent 20 inches.
Two millimeters represent 8 millimeters.

How long must $542 be invested at a rate of 7% to earn $303.52 in interest? in a easier way

Math it's appreciated. (picture provided)

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%