tracyg1 tracyg1
  • 20-11-2016
  • Mathematics
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the family trip to grandma's consists of both a train ride in a car ride the average speed of a train ride was 78 miles per hour and the average speed of a car ride was 50 miles per hour the entire trip lasted 7 hours write an expression for the total distance of the trip in miles

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Аноним Аноним
  • 20-11-2016
the anser is 135 miles it was

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