Posted by **Sarah** on Thursday, June 28, 2012 at 1:16pm.

If a dog can run 10ft in1/5 of a second how many feet can it run in 20 seconds

- Math -
**Ms. Sue**, Thursday, June 28, 2012 at 1:20pm
You could use a proportion.

Cross multiply and solve for x.

10/(1/5) = x/20

- Math -
**Bosnian**, Thursday, June 28, 2012 at 1:52pm
10 / ( 1 / 5 ) = 50

50 ft / s

50 * 20 = 1,000 ft

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