In march, derrick had $28.20 in credit card debt. he recorded the amount as -$28.20 in his account book. in april, he had 45 the amount of credit card debt that he had in march. how did he record his amount of debt in april in his account book?

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%