Mathematics
03.09.2021 19:59
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A bag has 3 red marbles and 12 blue marbles. Half of the blue marbles are made of
A bag has 3 red marbles and 12 blue marbles. Half of the blue marbles are made of plastic. A marble is selected at random from the bag. What is the probability that it is a blue, plastic marble?
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idcatall5
4,7(40 marks)
2/5
Step-by-step explanation:
There are 15 total marbles in the bag. 12 are blue, with only 6 made from plastic. 6/15 reduced is 2/5
rachelsweeney10
4,5(40 marks)
Answer
As b increases, b-1 will increase as well
Step-by-step explanation:
for example, if b=5, b-1 will equal 4
if b=6, b-1 will equal 5
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