Sky puts some green counters and some blue counters into an empty box. The ratio of the
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Question:
Sky puts some green counters and some blue counters into an empty box.
The ratio of the number of green counters to the number of blue counters is 1:4.
Rute takes at random 2 counters from the box.
The probability that she takes 2 green counters is 6/155.
How many counters of each color did Sky put into the box?
Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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