shannyd
you have 10 pennies in your pocket of those pennies 3 are canadian suppose you pick a penny out of you pocket at random find p (not canadian)



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shannyd
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Help Please

lgbasallote
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how many pennies are *not* canadian?

shannyd
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It doesn't say.

shannyd
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You have to find probabilty.I Really Don't Understand

lgbasallote
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how many pennies are canadian?

shannyd
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3 are canadian

lgbasallote
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and what is the total number of pennies?

shannyd
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12 pennies

shannyd
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I Mean 10 .sorry

lgbasallote
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right 10. so how many are not canadian?

shannyd
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7

lgbasallote
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right

lgbasallote
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so now do this \[\frac{\text{not canadian}}{\text{total number of pennies}} \times 100\]
got it?

shannyd
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7/12 * 100 ?

lgbasallote
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12?

lgbasallote
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i wonder why you keep saying total is 12..

shannyd
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7/10 * 100 ?

lgbasallote
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right

shannyd
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I Got My Questions Mix sorry but it's 10

shannyd
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So the answer would be 7/10 ?

lgbasallote
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x 100

lgbasallote
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divide 7/10 then multiply 100

shannyd
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I Got 70

shannyd
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& That's not a choice

lgbasallote
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well then...don't multiply by 100

lgbasallote
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multiplying by 100 gives you the percent... so if you just want a decimal answer, don'tmultiply

shannyd
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all im getting is 70

lgbasallote
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don't multiply by 100

shannyd
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it's still not right

lgbasallote
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why so? what did you get?

shannyd
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0.7

lgbasallote
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and that's not right?

shannyd
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nope it's either .13/10 3/10 7/10 or 10/3

lgbasallote
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well...it's obviously 7/10 then....since it's a part of the solution you did...