Probability
posted by Ktowns .
Mary had 6 pennies and 4 nickels. If she took three coins, what is the probability that all the coins were pennies?
I think it's 18/24.

6/10 * 5/9 * 4/8 = 1/6
Respond to this Question
Similar Questions

maths
Class 5G is having a pizza party. Mrs Baker asked all the children to bring in 50c for their share of the pizza.The next day all the girls came with their 50c but Mrs Baker noticed that every girl had brought their 50c using different … 
Math
Cindy had $1.08 using 9 coins. She had as many pennies as dimes. ___ Danielle had 96 coins, using ten coins. She had the same number of nickels as all the other coins put together. __ The coin choices are. Half Dollar, Quarters, Dimes, … 
math
Cleaning up around the kennel you picked up a total of 52 coins. Unfortunately, they were only pennies and nickels. The value of the coins was $1.20. How many pennies and how many nickels did you pick up? 
Algebra
Could someone please help me with those 2 problems...thanks a lot for any of your help Use an algebraic approach to solve the problem. Find three consecutive integers whose sum is 57. Suppose that Maria has 140 coins consisting of … 
algebra
Suppose that Maria has 140 coins consisting of pennies, nickels, and dimes. The number of nickels she has is 9 less than twice the number of pennies; the number of dimes she has is 19 less than three times the number of pennies. How … 
probability
A jar is filled with nickels and pennies. The value of the nickels is $S and the value of the pennies is $r. If you picked a hundred coins, what is your expected outcome? 
Stats
You are asked to draw THREE coins from a jar one at a time without replacement. The jar contains FIVE dimes, TEN pennies, and EIGHT quarters. (a) What is the probability that all three coins are pennies? 
Intermediate Algebra
Suppose that Maria has 140 coins consisting of pennies, nickels, and dimes. The number of nickels she has is 12 less than twice the number of pennies; the number of dimes she has is 22 less than three times the number of pennies. How … 
algebra
No. 2 alyssa has some coins in her purse consisting of pennies, nickels and dimes. She has 2 more nickels than dimes and thrice as many pennies as nickels. If the total is 0.52 dollars how many coins of each kind does she have. 
CSAB/Advance Algebra
A handful of 65 coins consist of pennies, nickels and dimes. The number of nickels is 4 less than twice of pennies, and there are 13 more dimes than nickels. How many coins of each kind are there?