06/23/18
probability
6 blue marbles and 8 green marbles are placed in a jar. Two marbles are then drawn in succession without replacement. What is the probability that the first marble drawn is green, given that the...
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06/21/18
math problem
An elementary school buys tickets for a field trip to the zoo. The number of children going on the field trip is 6 times the number of adults. Tickets for children cost $4 each and tickets for...
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