mykelrose1 mykelrose1
  • 18-01-2017
  • Mathematics
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Аноним Аноним
  • 18-01-2017
driving to grandparent's house: 140/56 = 2.5 h
return: 140 / 50 = 2.8 h

2.5 h + 2.8 h = 5.3 h

answer is d. 5.3 h (last choice)
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