Respuesta :

wendy40
3 hours times 40 =120 plus half of 40, so 20 plus 120 = 140km.
mominetti

Answer:

Hi!

The answer is 140 kilometers.

Step-by-step explanation:

You can solve this problem using Rule of three:

      1 hour   --->  40km

      3.5 hours ----> x

Now you have to multiply 3.5 hours by 40kms, then divide the result for 1 hour.

[tex] x = \frac{3.5 hour * 40km}{1hour} [/tex]  //hour divided by hour is 1.

[tex] x = 140km [/tex]

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