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The equation 9(u – 2) + 1.5u = 8.25 models the total miles Michael traveled one afternoon while sledding, where u equals the number of hours walking up a hill and (u – 2) equals the number of hours sledding down the hill. Which is the value of u?

u = 0.25
u = 0.75
u = 1.1
u = 2.5

Respuesta :

adioabiola

The value of u, number of hours walking up a hill based on the equation is 2.5

Equation

9(u – 2) + 1.5u = 8.25

where,

  • u = number of hours walking up a hill
  • (u - 2) = number of hours sledding down the hill

9(u – 2) + 1.5u = 8.25

9u - 18 + 1.5u = 8.25

9u + 1.5u = 8.25 + 18

10.5u = 26.25

u = 26.25/10.5

u = 2.5

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