Exactly half of these integers are odd (1, 3, 5, ..., 29) so the probability of selecting an odd number is

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A because a colored circle means it’s greater than
3x + (-2x) would be just subtracting 2x from 3x, so it would be 1x or x. Hope this helped<3
First thing to do is set up your equation:
45/x = 20/100
Cross multiply
4500 = 20x
And divide by 20
Answer: 225 people were surveyed
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