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Mathematics, 11.11.2020 23:40 aprilstalder

Emer bought a 3 hour blank video tape. She recorded programmes lasting 1 1/2 hours, 3/4 hour and 2/3 hour on this tape. How many minutes of recording time was left on the tape?

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Emer bought a 3 hour blank video tape. She recorded programmes lasting 1 1/2 hours, 3/4 hour and 2/3...
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