Answer :

DavisLaurant

Assuming she will continue this same pace, the distance to be traveled is exactly what she has already done.

10cm - 4s

2 x 10cm = 20 cm - 2 x 4s = 8 seconds

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KiaraL2006

Answer:

8 seconds

Step-by-step explanation:

10 cm is half of 20 cm so to find the time it takes to travel 20 cm double 4.

hope this helps :)