Mathematics, 18.02.2021 05:00 10040816

Vincent and Irma agreed to babysit their sister for 3 hours while their parents were at a play. Vincent went first, while Irma did her homework. Then Irma watched her sister so Vincent could do his. In the end, Vincent and Irma watched their sister for the same amount of time. How long did each sibling watch their sister?

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Vincent and Irma agreed to babysit their sister for 3 hours while their parents were at a play. Vinc...