Charlie's bag contains 4 blue pens and 3 red pens. He pulls out a pen at random, replaces it in the bag, and then pulls out a se
cond pen at random. If the first pen is blue, what is the probability that the second pen is red
1 answer:
50 50 because there is 3 blue pens and 3 red plans after the 4th blue one was taken out
Mark brainliest
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Answer:
is it a test and what is the lesson name called?
Step-by-step explanation:
4:4 and 5:5 are <span> two ratios that are equivalent to 1:1</span>
Answer:
B
Step-by-step explanation:
Let's say that the smallest is called "a"
We can re-write the question like this:
a+(a+1)+(a+2)+(a+3) = 174
4a+6=174
4a=168
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