math
posted by Mattie .
Please help with all of these:
3 out of 32
10 out of 30
20 out of 29
3 out of 35
9 out of 34
24 out of 33
17 out of 19

I showed you how to do one of these problems. Didn't you read that post???
http://www.jiskha.com/display.cgi?id=1266608509
Follow that example to do the others.