128 is 74% of what number

1 answer:

3 0

$74\%................................\ 128\\100\%................................\ X \\--------------\\\\ X= \frac{100*128}{74} = \frac{12800}{74}\approx \bold{172.972 } \\ \\ \boxed{\text{The answer is 172.972}}$

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Answer: The required probability of selecting 1 red apple and 2 yellow apples is 36.36%.

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Let S denote the sample space for selecting 3 apples from the bag and let A denote the event of selecting 1 red apple and 2 yellow apples.

Then, we have

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Therefore, the probability of event A is given by

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