Posted by Kristiana on Monday, September 26, 2011 at 6:51pm.
In the set of all whole numbers from 20 to 29,what fraction have two integers which add up to 7?
A.1/9
B.1/10
C.5/10
D.9/10

4th Grade Math  Ms. Sue, Monday, September 26, 2011 at 6:55pm
20, 21, 22, 23, 24, 25, 26, 27, 28, 29
I only see one set of digits whose sum is 7.

4th Grade Math  Kristiana, Monday, September 26, 2011 at 6:59pm
IDK that's why i need help last yr. our teacher didn't teach us any of this so it is difficult.

4th Grade Math  Ms. Sue, Monday, September 26, 2011 at 7:12pm
Please read my explanation to your later problem. Then, post your answer here and I'll check it.

4th Grade Math  Kristiana, Monday, September 26, 2011 at 7:21pm
plz help me i don't get this at all and i've never done it b4 and i really need help

4th Grade Math  Ms. Sue, Monday, September 26, 2011 at 7:38pm
http://www.jiskha.com/display.cgi?id=1317077656
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