cameronsmith04oso71o cameronsmith04oso71o

06-07-2017
Mathematics

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A change jar holds 36 nickels, 30 dimes, and 15 quarters. What is the probability that a nickel will be drawn first and then a dime (without replacement)?
A. 40/243
B. 22/27
C. 1/6
D. 1/12

Respuesta :

musiclover10045 musiclover10045

06-07-2017

36+30+15 = 81 total coins

36/81 reduces to 4/9 for a nickel

30/80 reduces to 3/8 for a dime

4/9 x 3/8 = 12/72 reduces to 1/6 probability

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