Mathematics, 23.03.2021 07:30, caggh345

Over the last three evenings, Mary received a total of 69 phone calls at the call center. The third evening, she received 2 times as many calls as the second evening. The first evening, she received 9 more calls than the second evening. How many phone calls did she receive each evening? 1)
2)
3)

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Over the last three evenings, Mary received a total of 69 phone calls at the call center. The third...