Respuesta :

LegendDaPro09

Answer:

6 hours

Step-by-step explanation:

Since 10/2=5, we can do the same thing to 4, so that 4/2=2. Now all we have to do is multiply 5 by 3(because we need to find 15 miles) and do the same thing to 2. So, 2 times 3 = 6 hours

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