chlo7232 chlo7232

07-02-2024
Engineering

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Dr. Ray could take 8 x-rays in 2 days and Dr. Morrays could take 9 x-rays in 3 days. Dr. Ray worked alone for 4 days before Dr. Morrays joined in. How long would they have to work TOGETHER to complete a total of 30 x-rays? (Hint: look only for the amount of days the doctors were working together)

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