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Please Help me on Math Challenge I-B(c) (AMC8/MathCounts) Winter 2017-2018 (Counting & Probability)

 
 
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Re: Please Help me on Math Challenge I-B(c) (AMC8/MathCounts) Winter 2017-2018 (Counting & Probability)
ReynosoDavid - 2018年05月2日 Wednesday 10:09
 

Question 29 is missing the number of coins. It should be $83$, the same as in example problem 8.9. Thanks for noticing and letting us know! The handout should be fixed now.

For 30, take a look at the other forum post that someone else had on that same question here.