Mathematics, 06.10.2019 14:30, vtrvfrfvrvfvnkjrf

Taylor starts practicing her math facts at 4: 30. she is finished practicing at 7: 00.
how long did taylor practice her math facts?
how can i explain how i got my answer in words or numbers

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Taylor starts practicing her math facts at 4: 30. she is finished practicing at 7: 00.
how lon...