Respuesta :

Answer:

  37/40 = 0.925 miles

Step-by-step explanation:

The total distance Melvin walked (in miles) was ...

  5/8 + 3/10 = 25/40 + 12/40 = 37/40 . . . . miles

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In decimal, the sum is ...

  0.625 + 0.30 = 0.925 . . . . miles