You divide them, so 1,125 divided by 15=25. So your Answer is 75 students are on each bus.
Multiply 12 x 12 which is 144. And then you divide that by 6 and you get 24
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Answer:
0.0713 = 7.13% probability that the result is positive.
Step-by-step explanation:
Probability of a positive test:
91% of 1/650(has the disease).
7% of 1 - 1/650 = 649/650(does not have the disease). So

0.0713 = 7.13% probability that the result is positive.
Answer:
x=9
Step-by-step explanation:
7x-11 = 4x-2
7x-4x=11-2
3x=9
x=9