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1. ### At the end of a long journey each traveler gave to buss driver a tip using the smae nine coins . the total was?

...: (1) 1 person pays it all (can't get 8.41 in nine coins ) (2) 29 people pay 0.29 each (4 pennies, 5 nickels each) (3) 841 people...

2 Answers · Science & Mathematics · 28/10/2010

2. ### After the morning rush at the neighborhood coffee shop, the tip jar contained \$9.80 in coins . There were two?

Hi Let x be the number of dimes, then x*10 +(x+3)*5 +(x+3+2)*25 = 980 cent 40x = 840 cent x = 21 There were 21 dimes, 24 nickels, 26 quarters Regards

1 Answers · Science & Mathematics · 11/10/2010

3. ### chances? how are these numbers changing?

You should expect to eliminate 50% of the coins each tip . (if a tip provides an equal chance of a dot or not which it appears...

1 Answers · Science & Mathematics · 14/08/2009

4. ### Logic problem - 7 coins ?

...pick any two of this three and weigh them against each other. the scale will either tip or if they balance, the other coin from that group is lighter

6 Answers · Science & Mathematics · 21/10/2008

5. ### whats the chance of a coin landing on its side after a toss/flip?

...area distribution among coins , the physics (which regions of the coin it has to land on in order to tip over/stay), maybe eve the physics, air resistance, the weight distribution of the coin ...

4 Answers · Science & Mathematics · 01/01/2011

6. ### Prob: A coin is tossed 10 times....?

...able to figure out how many fit the given conditions. Some tips . - Each coin toss has exactly 2 possibilities. The Fundamental...

3 Answers · Science & Mathematics · 27/09/2010

...x+ x + y = 10 (number of soins) .05x +.1x + .25y = 1.45 (value of coins ) 2x +y = 10 (1st equation rewritten) .15x + .25y = 1.45 (2nd equation...

2 Answers · Science & Mathematics · 08/04/2009

8. ### Math help required? Please.?

Divide the coins into threes. Weigh two sets of three coins . If...not, then you know which set contains the fake. From the set of three coins containing the fake, weigh any two. Just as above, if the weights...

4 Answers · Science & Mathematics · 04/01/2013

9. ### Chances? how are these numbers changing?

Assuming the coins have a symmetrical cross-section, and that the dot you put on one side does not change...quot;dot down" are both equally likely to happen. Now drop that one coin 100 times, and note the number of times you get "dot up...

1 Answers · Science & Mathematics · 20/08/2009

10. ### I have a coin question?

The number of ways of taking 2 objects from a group of 5 is (5!)/((2!)*((5-2)!) = 120/(2*6) = 10

3 Answers · Science & Mathematics · 09/07/2009