Mathematics, 23.01.2020 09:31 salgado100400

While driving on the highway, fiona averages 60 miles per hour. in the city, she averages 30 miles per hour. on a trip to her grandmother's house, fiona drives 312 hours on the highway and 112 in the city. what is fiona's average speed for the entire trip to her grandmother's house?

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While driving on the highway, fiona averages 60 miles per hour. in the city, she averages 30 miles p...

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