Question

In a word game, you choose a tile from a bag, replace it, and then choose another. If there are 21 vowels and 15 consonants, what is the probability you will choose a consonant and then a vowel? Can someone assist me? Thank you!
36 total tiles, so
P(cons,vowel) = 15/36 * 21/36
My options are:

35/4, 35/8, 1/36 or 35/144.

I'm still confused...thx!
Its 35/144

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