Posted by **dave** on Thursday, October 21, 2010 at 4:19am.

A marathon race has 522 runners divided into 6 groups. What is a reasonable number of runners in each group?

A 112, because 522/6 is about 550/5=110

B 98, because 522/6 is about 500/5=100

C 87, because 522/6is about 540/6=90

D 82, because 522/6 is about 480/6=80

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