Nora spent 6 minutes on the phone while routing 3 phone calls. If she routes 7 phone calls, how much time will Nora have spent on the phone in total? Assume the relationship is directly proportional.
Step-by-step explanation:This is because the unit rate can be identified as 2 minutes per 1 call. If she calls 7 times, she would have needed 14 minutes to complete the calls.
