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How many four-character license plates consist of a consonant, followed by a vowel, followed by a consonant, and then a vowel? (For this problem, consider Y a vowel.)

 Oct 27, 2020
 #1
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There are 2600 possible license plates.

 Oct 27, 2020
 #2
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20 consonants x 6 vowels x 20 consonants x 6 vowels =14,400 plates possible.

 Oct 27, 2020

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