unruhc428 unruhc428
  • 08-01-2018
  • Mathematics
contestada

Carrie drives to her mother's house in three hr and returns in four hr. If her average speed was thirteen miles/hr slower on the return trip, how fast did she drive each way? (Write an equation and solve)

Respuesta :

JohnnyK13 JohnnyK13
  • 08-01-2018
4(x-13)=3x
x=52
45.5, 58.5
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