GRE Problem Solving Question 715

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Source: Magoosh

While driving from A-ville to B-town, Harriet drove at a constant speed of 115 kilometers per hour. Upon arriving in B-town, Harriet immediately turned and drove back to A-ville at a constant speed of 135 kilometers per hour. If the entire trip took 5 hours, how many minutes did it take Harriet to drive from A-ville to B-town?

  • A 138
  • B 148
  • C 150
  • D 162
  • E 168

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