Question

if the unicorn seat on a merry-go-round is 5 feet from the center, and the merry-go-round completes a full rotation in 6 seconds, how many feet does the unicorn travel in one second?

Answer 1

Well, You would divide 5 into 6 to get 0.8333.  The unicorn travels 0.8333 in one second.  Which is your answer. 

And to check your answer you would then you would multiply 0.8333 by 6 to get 4.9998, which is rounded to 5.  Great, you did it, and your finished, good luck!