A box contains 20 red marbles and 30 blue marbles. A second box contains 10 white marbles and 40 black marbles. If you choose on
e marble fra
each box without looking, what is the probability that you get a blue marble and a black marble?
1 answer:
Answer: 2/20, because all those marbles in total is 100. the blue and black marbles would be 70, if you simplify all of it it'd be 2/25.
Step-by-step explanation:
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