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January 30, 2015

January 30, 2015

Posted by **lisa** on Monday, October 19, 2009 at 10:00pm.

- guess and check -
**Reiny**, Monday, October 19, 2009 at 10:07pmLet the number of 2 point questions be x

then the number of 3 point questions is 42-x

2x + 3(42-x) = 100

solve

(Igot x=26)

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