A data analyst for a phone company is analyzing the data of 150 of their customers, which accounts for 1% of their total customers. The analyst wants to determine the average number of hours each day a customer uses their phone, for calls and for texts, during a 30-day period. Based on the data, the customers averaged 0.25 hours per day per call and 1.75 hours each day for texts. Construct an equation in the correct form to represent this situation. Let t represent the number of calls made per day, and e represent the total number of hours a customer uses their phone each day.

Question

Mathematics

Arjun Eaton

30 April, 18:28

A data analyst for a phone company is analyzing the data of 150 of their customers, which accounts for 1% of their total customers. The analyst wants to determine the average number of hours each day a customer uses their phone, for calls and for texts, during a 30-day period. Based on the data, the customers averaged 0.25 hours per day per call and 1.75 hours each day for texts. Construct an equation in the correct form to represent this situation. Let t represent the number of calls made per day, and e represent the total number of hours a customer uses their phone each day.

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Jaylynn Frank · Answer 1

The total number of hours a customer uses his phone each day (e) = the number of hours the customer spend on calls + the number hours the customer spend on texts.

The number of hours the customer spend on calls = the number of calls the customer made per day (t) times the average time spent by custormers per day per hour (0.25 hours)

The number of hours the customer spend on texts is given as 1.75 hours each day.

Therefore required equation is:

e = 0.25t + 1.75