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I don't understand #6, please help!!!

I don't understand #6, please help!!!
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3 votes
I don't understand #6, please help!!!

I don't understand #6, please help!!!-example-1
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User BlaBRA
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8.4k points

1 Answer

2 votes
For the first part, the possible numbers are anything from 20 to 99. That means that there are 79 possible choices that are greater than 19. Sorry I can't help you with the second part.
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User Sunita
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