justintsmith7080 justintsmith7080

15-11-2017
Mathematics

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Last night, laura worked on her homework 1/2 hour and then stopped to eat dinner. after dinner she worked on her homework another 3/4 hour. how long did she spend working on her homework last night?

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Michelle021 Michelle021

15-11-2017

She spent 5/4 of an hour or one hour and 15 minutes because you need to have the same denominator

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