P(NYPD ∪ CSI ) = 0.6 + 0.7 - 0.4 = 0.9
P(neither) = 1 - 0.9 = 0.1
Answer: 0.1
Answer:
21 boys are there in the class.
Step-by-step explanation:
7x + 5x = 36
12x = 36
x = 36 / 12
x = 3
∴ The number of boys in the class is:
7 * 3 = 21
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Answer:
The Answer is d
Step-by-step explanation:
Answer:
The other 2/3 would be 20
Step-by-step explanation:
Each 1/3 is 10 so 10*2 is 20