document.write( "Question 926951: You lose a coin from your purse. You know that your purse held 80 pennies and 10 dimes. What is the probability that the lost coin is a penny? What is the complement -that the lost coin is NOT a penny? \n" ); document.write( "
Algebra.Com's Answer #562611 by ewatrrr(24785)\"\" \"About 
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90 COINS: 10d, 80P
\n" ); document.write( "Lost one
\n" ); document.write( "P( PENNY) = 80/90 = 8/9
\n" ); document.write( "P(not a Penny) = P(Dime) = 10/90 = 1/9
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