Posted by **Anonymous** on Saturday, October 6, 2012 at 7:10pm.

Of 30 runners surveyed, 22 go running in the morning and 15 go running in the evening. Seven of the runners surveyed go running in both the morning and the evening. How many runners go running in the morning but not the evening?

- Algebra -
**Anonymous**, Saturday, October 6, 2012 at 7:11pm
By the way I think that the answer is 8. Is it correct?

- Algebra -
**Ms. Sue**, Saturday, October 6, 2012 at 7:17pm
No.

http://www.jiskha.com/display.cgi?id=1349563160

- Algebra -
**Anonymous**, Saturday, October 6, 2012 at 7:19pm
But still i do not get it! Please explain!

- Algebra -
**Ms. Sue**, Saturday, October 6, 2012 at 7:22pm
The question asks how many only run in the morning. Since 22 run in the morning and 7 run both times, subtract 7 from 22.

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