Answer:
3.7142
Step-by-step explanation:
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Answer:
It would be helpful if you show me the figure. Thanks :) !!
Answer:
10
Step-by-step explanation:
The current probability of picking a red ball is
. When 5 more balls are added, the probability is 3/4. We can write a ratio for this problem:

When using cross multiplication to solve this, you get 3 * 20 = 4(x+5).
60 = 4x + 20
40 = 4x
x = 10 red balls
Answer:
22c+36
Step-by-step explanation:
3+11(2c+3)
3+22c+33
3+33+22c
36+22c or 22c+26